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Finding the Fourth Proportional to 144,591.64, 216,897.62 and 44,738.72

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Solution

The fourth proportional to 144,591.64, 216,897.62 and 44,738.72 is: 67,111.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,591.64 : 216,897.62 = 44,738.72 : x
  2. Step 2: Convert to fraction form
    144,591.64/216,897.62 = 44,738.72/x
  3. Step 3: Cross multiply
    144,591.64x = 216,897.62 × 44,738.72
  4. Step 4: Simplify right side
    144,591.64x = 9,703,721,889.85
  5. Step 5: Solve for x
    x = 9,703,721,889.85/144,591.64
  6. Step 6: Final answer
    x = 67,111.22

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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.