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Finding the Fourth Proportional to 108,550,842.90, 152,374,287.90 and 108,550,842.90

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Solution

The fourth proportional to 108,550,842.90, 152,374,287.90 and 108,550,842.90 is: 152,374,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,550,842.90 : 152,374,287.90 = 108,550,842.90 : x
  2. Step 2: Convert to fraction form
    108,550,842.90/152,374,287.90 = 108,550,842.90/x
  3. Step 3: Cross multiply
    108,550,842.90x = 152,374,287.90 × 108,550,842.90
  4. Step 4: Simplify right side
    108,550,842.90x = 16,540,357,387,832,272
  5. Step 5: Solve for x
    x = 16,540,357,387,832,272/108,550,842.90
  6. Step 6: Final answer
    x = 152,374,287.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.