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Finding the Fourth Proportional to 107,060.20, 160,590.30 and 100,499.20

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Solution

The fourth proportional to 107,060.20, 160,590.30 and 100,499.20 is: 150,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,060.20 : 160,590.30 = 100,499.20 : x
  2. Step 2: Convert to fraction form
    107,060.20/160,590.30 = 100,499.20/x
  3. Step 3: Cross multiply
    107,060.20x = 160,590.30 × 100,499.20
  4. Step 4: Simplify right side
    107,060.20x = 16,139,196,677.76
  5. Step 5: Solve for x
    x = 16,139,196,677.76/107,060.20
  6. Step 6: Final answer
    x = 150,748.80

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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.