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Finding the Fourth Proportional to 124,344.96, 186,543.96 and 40,109.86

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Solution

The fourth proportional to 124,344.96, 186,543.96 and 40,109.86 is: 60,173.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,344.96 : 186,543.96 = 40,109.86 : x
  2. Step 2: Convert to fraction form
    124,344.96/186,543.96 = 40,109.86/x
  3. Step 3: Cross multiply
    124,344.96x = 186,543.96 × 40,109.86
  4. Step 4: Simplify right side
    124,344.96x = 7,482,252,119.45
  5. Step 5: Solve for x
    x = 7,482,252,119.45/124,344.96
  6. Step 6: Final answer
    x = 60,173.34

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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.