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Finding the Fourth Proportional to 144,129.79, 216,077.82 and 59,952.93

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Solution

The fourth proportional to 144,129.79, 216,077.82 and 59,952.93 is: 89,880.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,129.79 : 216,077.82 = 59,952.93 : x
  2. Step 2: Convert to fraction form
    144,129.79/216,077.82 = 59,952.93/x
  3. Step 3: Cross multiply
    144,129.79x = 216,077.82 × 59,952.93
  4. Step 4: Simplify right side
    144,129.79x = 12,954,498,417.01
  5. Step 5: Solve for x
    x = 12,954,498,417.01/144,129.79
  6. Step 6: Final answer
    x = 89,880.78

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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.