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Finding the Fourth Proportional to 145,803.33, 218,672.15 and 52,309.08

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Solution

The fourth proportional to 145,803.33, 218,672.15 and 52,309.08 is: 78,451.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,803.33 : 218,672.15 = 52,309.08 : x
  2. Step 2: Convert to fraction form
    145,803.33/218,672.15 = 52,309.08/x
  3. Step 3: Cross multiply
    145,803.33x = 218,672.15 × 52,309.08
  4. Step 4: Simplify right side
    145,803.33x = 11,438,538,726.58
  5. Step 5: Solve for x
    x = 11,438,538,726.58/145,803.33
  6. Step 6: Final answer
    x = 78,451.83

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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.