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Finding the Fourth Proportional to 64,358.10, 96,537.15 and 53,423.10

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Solution

The fourth proportional to 64,358.10, 96,537.15 and 53,423.10 is: 80,134.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,358.10 : 96,537.15 = 53,423.10 : x
  2. Step 2: Convert to fraction form
    64,358.10/96,537.15 = 53,423.10/x
  3. Step 3: Cross multiply
    64,358.10x = 96,537.15 × 53,423.10
  4. Step 4: Simplify right side
    64,358.10x = 5,157,313,818.17
  5. Step 5: Solve for x
    x = 5,157,313,818.17/64,358.10
  6. Step 6: Final answer
    x = 80,134.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.