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Finding the Fourth Proportional to 143,792,164.40, 215,688,246.60 and 143,792,164.40

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Solution

The fourth proportional to 143,792,164.40, 215,688,246.60 and 143,792,164.40 is: 215,688,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,792,164.40 : 215,688,246.60 = 143,792,164.40 : x
  2. Step 2: Convert to fraction form
    143,792,164.40/215,688,246.60 = 143,792,164.40/x
  3. Step 3: Cross multiply
    143,792,164.40x = 215,688,246.60 × 143,792,164.40
  4. Step 4: Simplify right side
    143,792,164.40x = 31,014,279,814,254,940
  5. Step 5: Solve for x
    x = 31,014,279,814,254,940/143,792,164.40
  6. Step 6: Final answer
    x = 215,688,246.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.