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Finding the Fourth Proportional to 162,927.60, 244,391.40 and 143,228.40

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Solution

The fourth proportional to 162,927.60, 244,391.40 and 143,228.40 is: 214,842.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,927.60 : 244,391.40 = 143,228.40 : x
  2. Step 2: Convert to fraction form
    162,927.60/244,391.40 = 143,228.40/x
  3. Step 3: Cross multiply
    162,927.60x = 244,391.40 × 143,228.40
  4. Step 4: Simplify right side
    162,927.60x = 35,003,789,195.76
  5. Step 5: Solve for x
    x = 35,003,789,195.76/162,927.60
  6. Step 6: Final answer
    x = 214,842.60

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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.