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Finding the Fourth Proportional to 169,632.40, 254,286.60 and 62,987.80

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Solution

The fourth proportional to 169,632.40, 254,286.60 and 62,987.80 is: 94,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,632.40 : 254,286.60 = 62,987.80 : x
  2. Step 2: Convert to fraction form
    169,632.40/254,286.60 = 62,987.80/x
  3. Step 3: Cross multiply
    169,632.40x = 254,286.60 × 62,987.80
  4. Step 4: Simplify right side
    169,632.40x = 16,016,953,503.48
  5. Step 5: Solve for x
    x = 16,016,953,503.48/169,632.40
  6. Step 6: Final answer
    x = 94,421.55

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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.