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Finding the Fourth Proportional to 440,074.86, 660,167.86 and 124,531.86

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Solution

The fourth proportional to 440,074.86, 660,167.86 and 124,531.86 is: 186,813.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,074.86 : 660,167.86 = 124,531.86 : x
  2. Step 2: Convert to fraction form
    440,074.86/660,167.86 = 124,531.86/x
  3. Step 3: Cross multiply
    440,074.86x = 660,167.86 × 124,531.86
  4. Step 4: Simplify right side
    440,074.86x = 82,211,931,518.02
  5. Step 5: Solve for x
    x = 82,211,931,518.02/440,074.86
  6. Step 6: Final answer
    x = 186,813.52

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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.