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Finding the Fourth Proportional to 93,988.01, 129,691.46 and 53,704.39

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Solution

The fourth proportional to 93,988.01, 129,691.46 and 53,704.39 is: 74,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,988.01 : 129,691.46 = 53,704.39 : x
  2. Step 2: Convert to fraction form
    93,988.01/129,691.46 = 53,704.39/x
  3. Step 3: Cross multiply
    93,988.01x = 129,691.46 × 53,704.39
  4. Step 4: Simplify right side
    93,988.01x = 6,965,000,747.51
  5. Step 5: Solve for x
    x = 6,965,000,747.51/93,988.01
  6. Step 6: Final answer
    x = 74,105.20

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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.