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Finding the Fourth Proportional to 103,591.70, 155,387.55 and 41,230.10

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Solution

The fourth proportional to 103,591.70, 155,387.55 and 41,230.10 is: 61,845.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,591.70 : 155,387.55 = 41,230.10 : x
  2. Step 2: Convert to fraction form
    103,591.70/155,387.55 = 41,230.10/x
  3. Step 3: Cross multiply
    103,591.70x = 155,387.55 × 41,230.10
  4. Step 4: Simplify right side
    103,591.70x = 6,406,644,225.26
  5. Step 5: Solve for x
    x = 6,406,644,225.26/103,591.70
  6. Step 6: Final answer
    x = 61,845.15

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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.