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Finding the Fourth Proportional to 93,761.01, 129,358.01 and 53,445.69

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Solution

The fourth proportional to 93,761.01, 129,358.01 and 53,445.69 is: 73,736.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,761.01 : 129,358.01 = 53,445.69 : x
  2. Step 2: Convert to fraction form
    93,761.01/129,358.01 = 53,445.69/x
  3. Step 3: Cross multiply
    93,761.01x = 129,358.01 × 53,445.69
  4. Step 4: Simplify right side
    93,761.01x = 6,913,627,454.69
  5. Step 5: Solve for x
    x = 6,913,627,454.69/93,761.01
  6. Step 6: Final answer
    x = 73,736.70

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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.