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Finding the Fourth Proportional to 64,246.43, 88,575.13 and 52,719.12

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Solution

The fourth proportional to 64,246.43, 88,575.13 and 52,719.12 is: 72,682.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,246.43 : 88,575.13 = 52,719.12 : x
  2. Step 2: Convert to fraction form
    64,246.43/88,575.13 = 52,719.12/x
  3. Step 3: Cross multiply
    64,246.43x = 88,575.13 × 52,719.12
  4. Step 4: Simplify right side
    64,246.43x = 4,669,602,201.01
  5. Step 5: Solve for x
    x = 4,669,602,201.01/64,246.43
  6. Step 6: Final answer
    x = 72,682.68

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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.