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Finding the Fourth Proportional to 98,337,813.20, 147,506,719.80 and 88,596,040.40

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Solution

The fourth proportional to 98,337,813.20, 147,506,719.80 and 88,596,040.40 is: 132,894,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,337,813.20 : 147,506,719.80 = 88,596,040.40 : x
  2. Step 2: Convert to fraction form
    98,337,813.20/147,506,719.80 = 88,596,040.40/x
  3. Step 3: Cross multiply
    98,337,813.20x = 147,506,719.80 × 88,596,040.40
  4. Step 4: Simplify right side
    98,337,813.20x = 13,068,511,306,672,282
  5. Step 5: Solve for x
    x = 13,068,511,306,672,282/98,337,813.20
  6. Step 6: Final answer
    x = 132,894,060.60

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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.