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Finding the Fourth Proportional to 88,316.92, 132,475.38 and 51,355

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Solution

The fourth proportional to 88,316.92, 132,475.38 and 51,355 is: 77,032.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,316.92 : 132,475.38 = 51,355 : x
  2. Step 2: Convert to fraction form
    88,316.92/132,475.38 = 51,355/x
  3. Step 3: Cross multiply
    88,316.92x = 132,475.38 × 51,355
  4. Step 4: Simplify right side
    88,316.92x = 6,803,273,139.90
  5. Step 5: Solve for x
    x = 6,803,273,139.90/88,316.92
  6. Step 6: Final answer
    x = 77,032.50

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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.