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Finding the Fourth Proportional to 147,191.00, 220,781.84 and 42,009.98

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Solution

The fourth proportional to 147,191.00, 220,781.84 and 42,009.98 is: 63,013.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,191.00 : 220,781.84 = 42,009.98 : x
  2. Step 2: Convert to fraction form
    147,191.00/220,781.84 = 42,009.98/x
  3. Step 3: Cross multiply
    147,191.00x = 220,781.84 × 42,009.98
  4. Step 4: Simplify right side
    147,191.00x = 9,275,039,368.80
  5. Step 5: Solve for x
    x = 9,275,039,368.80/147,191.00
  6. Step 6: Final answer
    x = 63,013.63

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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.