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Finding the Fourth Proportional to 144,440.91, 216,736.93 and 59,115.11

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Solution

The fourth proportional to 144,440.91, 216,736.93 and 59,115.11 is: 88,703.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,440.91 : 216,736.93 = 59,115.11 : x
  2. Step 2: Convert to fraction form
    144,440.91/216,736.93 = 59,115.11/x
  3. Step 3: Cross multiply
    144,440.91x = 216,736.93 × 59,115.11
  4. Step 4: Simplify right side
    144,440.91x = 12,812,427,458.01
  5. Step 5: Solve for x
    x = 12,812,427,458.01/144,440.91
  6. Step 6: Final answer
    x = 88,703.59

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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.