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Finding the Fourth Proportional to 62,497.60, 93,765.60 and 49,355.20

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Solution

The fourth proportional to 62,497.60, 93,765.60 and 49,355.20 is: 74,047.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,497.60 : 93,765.60 = 49,355.20 : x
  2. Step 2: Convert to fraction form
    62,497.60/93,765.60 = 49,355.20/x
  3. Step 3: Cross multiply
    62,497.60x = 93,765.60 × 49,355.20
  4. Step 4: Simplify right side
    62,497.60x = 4,627,819,941.12
  5. Step 5: Solve for x
    x = 4,627,819,941.12/62,497.60
  6. Step 6: Final answer
    x = 74,047.96

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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.