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Finding the Fourth Proportional to 344,598.72, 516,856.92 and 91,898.16

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Solution

The fourth proportional to 344,598.72, 516,856.92 and 91,898.16 is: 137,836.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,598.72 : 516,856.92 = 91,898.16 : x
  2. Step 2: Convert to fraction form
    344,598.72/516,856.92 = 91,898.16/x
  3. Step 3: Cross multiply
    344,598.72x = 516,856.92 × 91,898.16
  4. Step 4: Simplify right side
    344,598.72x = 47,498,199,931.27
  5. Step 5: Solve for x
    x = 47,498,199,931.27/344,598.72
  6. Step 6: Final answer
    x = 137,836.26

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Why These Related Problems?

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