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Finding the Fourth Proportional to 162,697,908.97, 224,522,347.67 and 88,357,949.29

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Solution

The fourth proportional to 162,697,908.97, 224,522,347.67 and 88,357,949.29 is: 121,933,553.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,697,908.97 : 224,522,347.67 = 88,357,949.29 : x
  2. Step 2: Convert to fraction form
    162,697,908.97/224,522,347.67 = 88,357,949.29/x
  3. Step 3: Cross multiply
    162,697,908.97x = 224,522,347.67 × 88,357,949.29
  4. Step 4: Simplify right side
    162,697,908.97x = 19,838,334,209,455,820
  5. Step 5: Solve for x
    x = 19,838,334,209,455,820/162,697,908.97
  6. Step 6: Final answer
    x = 121,933,553.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.