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Finding the Fourth Proportional to 94,059.92, 129,802.24 and 51,039.40

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Solution

The fourth proportional to 94,059.92, 129,802.24 and 51,039.40 is: 70,434.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,059.92 : 129,802.24 = 51,039.40 : x
  2. Step 2: Convert to fraction form
    94,059.92/129,802.24 = 51,039.40/x
  3. Step 3: Cross multiply
    94,059.92x = 129,802.24 × 51,039.40
  4. Step 4: Simplify right side
    94,059.92x = 6,625,028,448.26
  5. Step 5: Solve for x
    x = 6,625,028,448.26/94,059.92
  6. Step 6: Final answer
    x = 70,434.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.