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Finding the Fourth Proportional to 61,925.60, 93,082.80 and 60,759.20

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Solution

The fourth proportional to 61,925.60, 93,082.80 and 60,759.20 is: 91,329.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,925.60 : 93,082.80 = 60,759.20 : x
  2. Step 2: Convert to fraction form
    61,925.60/93,082.80 = 60,759.20/x
  3. Step 3: Cross multiply
    61,925.60x = 93,082.80 × 60,759.20
  4. Step 4: Simplify right side
    61,925.60x = 5,655,636,461.76
  5. Step 5: Solve for x
    x = 5,655,636,461.76/61,925.60
  6. Step 6: Final answer
    x = 91,329.54

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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.