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Finding the Fourth Proportional to 108,867,000.60, 163,300,500.90 and 100,174,987.80

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Solution

The fourth proportional to 108,867,000.60, 163,300,500.90 and 100,174,987.80 is: 150,262,481.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,867,000.60 : 163,300,500.90 = 100,174,987.80 : x
  2. Step 2: Convert to fraction form
    108,867,000.60/163,300,500.90 = 100,174,987.80/x
  3. Step 3: Cross multiply
    108,867,000.60x = 163,300,500.90 × 100,174,987.80
  4. Step 4: Simplify right side
    108,867,000.60x = 16,358,625,685,391,390
  5. Step 5: Solve for x
    x = 16,358,625,685,391,390/108,867,000.60
  6. Step 6: Final answer
    x = 150,262,481.70

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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.