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Finding the Fourth Proportional to 144,867.69, 217,230.39 and 60,602.58

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Solution

The fourth proportional to 144,867.69, 217,230.39 and 60,602.58 is: 90,874.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,867.69 : 217,230.39 = 60,602.58 : x
  2. Step 2: Convert to fraction form
    144,867.69/217,230.39 = 60,602.58/x
  3. Step 3: Cross multiply
    144,867.69x = 217,230.39 × 60,602.58
  4. Step 4: Simplify right side
    144,867.69x = 13,164,722,088.41
  5. Step 5: Solve for x
    x = 13,164,722,088.41/144,867.69
  6. Step 6: Final answer
    x = 90,874.11

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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.