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Finding the Fourth Proportional to 98,337,889.70, 147,506,834.55 and 88,596,116.90

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Solution

The fourth proportional to 98,337,889.70, 147,506,834.55 and 88,596,116.90 is: 132,894,175.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,337,889.70 : 147,506,834.55 = 88,596,116.90 : x
  2. Step 2: Convert to fraction form
    98,337,889.70/147,506,834.55 = 88,596,116.90/x
  3. Step 3: Cross multiply
    98,337,889.70x = 147,506,834.55 × 88,596,116.90
  4. Step 4: Simplify right side
    98,337,889.70x = 13,068,532,757,340,760
  5. Step 5: Solve for x
    x = 13,068,532,757,340,760/98,337,889.70
  6. Step 6: Final answer
    x = 132,894,175.35

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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.