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Finding the Fourth Proportional to 144,350.49, 216,487.80 and 43,124.52

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Solution

The fourth proportional to 144,350.49, 216,487.80 and 43,124.52 is: 64,675.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,350.49 : 216,487.80 = 43,124.52 : x
  2. Step 2: Convert to fraction form
    144,350.49/216,487.80 = 43,124.52/x
  3. Step 3: Cross multiply
    144,350.49x = 216,487.80 × 43,124.52
  4. Step 4: Simplify right side
    144,350.49x = 9,335,932,460.86
  5. Step 5: Solve for x
    x = 9,335,932,460.86/144,350.49
  6. Step 6: Final answer
    x = 64,675.45

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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.