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Finding the Fourth Proportional to 132,336, 198,529.92 and 58,464

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Solution

The fourth proportional to 132,336, 198,529.92 and 58,464 is: 87,707.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,336 : 198,529.92 = 58,464 : x
  2. Step 2: Convert to fraction form
    132,336/198,529.92 = 58,464/x
  3. Step 3: Cross multiply
    132,336x = 198,529.92 × 58,464
  4. Step 4: Simplify right side
    132,336x = 11,606,853,242.88
  5. Step 5: Solve for x
    x = 11,606,853,242.88/132,336
  6. Step 6: Final answer
    x = 87,707.45

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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.