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Finding the Fourth Proportional to 163,695,414.60, 245,543,121.90 and 112,039,349.40

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Solution

The fourth proportional to 163,695,414.60, 245,543,121.90 and 112,039,349.40 is: 168,059,024.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,695,414.60 : 245,543,121.90 = 112,039,349.40 : x
  2. Step 2: Convert to fraction form
    163,695,414.60/245,543,121.90 = 112,039,349.40/x
  3. Step 3: Cross multiply
    163,695,414.60x = 245,543,121.90 × 112,039,349.40
  4. Step 4: Simplify right side
    163,695,414.60x = 27,510,491,627,320,892
  5. Step 5: Solve for x
    x = 27,510,491,627,320,892/163,695,414.60
  6. Step 6: Final answer
    x = 168,059,024.10

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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.