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Finding the Fourth Proportional to 98,841.60, 148,377.60 and 59,443.20

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Solution

The fourth proportional to 98,841.60, 148,377.60 and 59,443.20 is: 89,234.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,841.60 : 148,377.60 = 59,443.20 : x
  2. Step 2: Convert to fraction form
    98,841.60/148,377.60 = 59,443.20/x
  3. Step 3: Cross multiply
    98,841.60x = 148,377.60 × 59,443.20
  4. Step 4: Simplify right side
    98,841.60x = 8,820,039,352.32
  5. Step 5: Solve for x
    x = 8,820,039,352.32/98,841.60
  6. Step 6: Final answer
    x = 89,234.08

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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.