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Finding the Fourth Proportional to 98,496,416.60, 147,744,624.90 and 57,681,747.80

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Solution

The fourth proportional to 98,496,416.60, 147,744,624.90 and 57,681,747.80 is: 86,522,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,496,416.60 : 147,744,624.90 = 57,681,747.80 : x
  2. Step 2: Convert to fraction form
    98,496,416.60/147,744,624.90 = 57,681,747.80/x
  3. Step 3: Cross multiply
    98,496,416.60x = 147,744,624.90 × 57,681,747.80
  4. Step 4: Simplify right side
    98,496,416.60x = 8,522,168,192,287,400
  5. Step 5: Solve for x
    x = 8,522,168,192,287,400/98,496,416.60
  6. Step 6: Final answer
    x = 86,522,621.70

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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.