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Finding the Fourth Proportional to 98,291,262.70, 147,436,894.05 and 92,232,835.30

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Solution

The fourth proportional to 98,291,262.70, 147,436,894.05 and 92,232,835.30 is: 138,349,252.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,291,262.70 : 147,436,894.05 = 92,232,835.30 : x
  2. Step 2: Convert to fraction form
    98,291,262.70/147,436,894.05 = 92,232,835.30/x
  3. Step 3: Cross multiply
    98,291,262.70x = 147,436,894.05 × 92,232,835.30
  4. Step 4: Simplify right side
    98,291,262.70x = 13,598,522,766,057,200
  5. Step 5: Solve for x
    x = 13,598,522,766,057,200/98,291,262.70
  6. Step 6: Final answer
    x = 138,349,252.95

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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.