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Finding the Fourth Proportional to 143,792.13, 215,688.75 and 43,951.94

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Solution

The fourth proportional to 143,792.13, 215,688.75 and 43,951.94 is: 65,928.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,792.13 : 215,688.75 = 43,951.94 : x
  2. Step 2: Convert to fraction form
    143,792.13/215,688.75 = 43,951.94/x
  3. Step 3: Cross multiply
    143,792.13x = 215,688.75 × 43,951.94
  4. Step 4: Simplify right side
    143,792.13x = 9,479,937,920.23
  5. Step 5: Solve for x
    x = 9,479,937,920.23/143,792.13
  6. Step 6: Final answer
    x = 65,928.07

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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.