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Finding the Fourth Proportional to 124,008.60, 186,010.46 and 40,902.60

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Solution

The fourth proportional to 124,008.60, 186,010.46 and 40,902.60 is: 61,353.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,008.60 : 186,010.46 = 40,902.60 : x
  2. Step 2: Convert to fraction form
    124,008.60/186,010.46 = 40,902.60/x
  3. Step 3: Cross multiply
    124,008.60x = 186,010.46 × 40,902.60
  4. Step 4: Simplify right side
    124,008.60x = 7,608,311,441.20
  5. Step 5: Solve for x
    x = 7,608,311,441.20/124,008.60
  6. Step 6: Final answer
    x = 61,353.10

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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.