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Finding the Fourth Proportional to 108,902,949.30, 163,354,423.95 and 108,902,949.30

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Solution

The fourth proportional to 108,902,949.30, 163,354,423.95 and 108,902,949.30 is: 163,354,423.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,902,949.30 : 163,354,423.95 = 108,902,949.30 : x
  2. Step 2: Convert to fraction form
    108,902,949.30/163,354,423.95 = 108,902,949.30/x
  3. Step 3: Cross multiply
    108,902,949.30x = 163,354,423.95 × 108,902,949.30
  4. Step 4: Simplify right side
    108,902,949.30x = 17,789,778,549,357,554
  5. Step 5: Solve for x
    x = 17,789,778,549,357,554/108,902,949.30
  6. Step 6: Final answer
    x = 163,354,423.95

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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.