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Finding the Fourth Proportional to 103,374.20, 155,207.10 and 64,008.20

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Solution

The fourth proportional to 103,374.20, 155,207.10 and 64,008.20 is: 96,102.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,374.20 : 155,207.10 = 64,008.20 : x
  2. Step 2: Convert to fraction form
    103,374.20/155,207.10 = 64,008.20/x
  3. Step 3: Cross multiply
    103,374.20x = 155,207.10 × 64,008.20
  4. Step 4: Simplify right side
    103,374.20x = 9,934,527,098.22
  5. Step 5: Solve for x
    x = 9,934,527,098.22/103,374.20
  6. Step 6: Final answer
    x = 96,102.58

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1.5x scale

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.