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Finding the Fourth Proportional to 247,624.60, 371,327.55 and 97,815.10

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Solution

The fourth proportional to 247,624.60, 371,327.55 and 97,815.10 is: 146,679.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,624.60 : 371,327.55 = 97,815.10 : x
  2. Step 2: Convert to fraction form
    247,624.60/371,327.55 = 97,815.10/x
  3. Step 3: Cross multiply
    247,624.60x = 371,327.55 × 97,815.10
  4. Step 4: Simplify right side
    247,624.60x = 36,321,441,436.01
  5. Step 5: Solve for x
    x = 36,321,441,436.01/247,624.60
  6. Step 6: Final answer
    x = 146,679.46

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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.