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Finding the Fourth Proportional to 167,987.60, 252,078.60 and 62,817.20

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Solution

The fourth proportional to 167,987.60, 252,078.60 and 62,817.20 is: 94,262.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,987.60 : 252,078.60 = 62,817.20 : x
  2. Step 2: Convert to fraction form
    167,987.60/252,078.60 = 62,817.20/x
  3. Step 3: Cross multiply
    167,987.60x = 252,078.60 × 62,817.20
  4. Step 4: Simplify right side
    167,987.60x = 15,834,871,831.92
  5. Step 5: Solve for x
    x = 15,834,871,831.92/167,987.60
  6. Step 6: Final answer
    x = 94,262.15

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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.