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Finding the Fourth Proportional to 144,169.74, 216,332.19 and 59,987.97

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Solution

The fourth proportional to 144,169.74, 216,332.19 and 59,987.97 is: 90,014.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,169.74 : 216,332.19 = 59,987.97 : x
  2. Step 2: Convert to fraction form
    144,169.74/216,332.19 = 59,987.97/x
  3. Step 3: Cross multiply
    144,169.74x = 216,332.19 × 59,987.97
  4. Step 4: Simplify right side
    144,169.74x = 12,977,328,923.75
  5. Step 5: Solve for x
    x = 12,977,328,923.75/144,169.74
  6. Step 6: Final answer
    x = 90,014.24

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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.