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Finding the Fourth Proportional to 144,494.90, 216,731.55 and 60,233.30

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Solution

The fourth proportional to 144,494.90, 216,731.55 and 60,233.30 is: 90,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,494.90 : 216,731.55 = 60,233.30 : x
  2. Step 2: Convert to fraction form
    144,494.90/216,731.55 = 60,233.30/x
  3. Step 3: Cross multiply
    144,494.90x = 216,731.55 × 60,233.30
  4. Step 4: Simplify right side
    144,494.90x = 13,054,456,470.62
  5. Step 5: Solve for x
    x = 13,054,456,470.62/144,494.90
  6. Step 6: Final answer
    x = 90,345.45

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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.