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Finding the Fourth Proportional to 121,658.88, 182,494.38 and 46,752.78

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Solution

The fourth proportional to 121,658.88, 182,494.38 and 46,752.78 is: 70,131.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,658.88 : 182,494.38 = 46,752.78 : x
  2. Step 2: Convert to fraction form
    121,658.88/182,494.38 = 46,752.78/x
  3. Step 3: Cross multiply
    121,658.88x = 182,494.38 × 46,752.78
  4. Step 4: Simplify right side
    121,658.88x = 8,532,119,599.38
  5. Step 5: Solve for x
    x = 8,532,119,599.38/121,658.88
  6. Step 6: Final answer
    x = 70,131.50

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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.