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Finding the Fourth Proportional to 147,036.80, 220,555.20 and 94,548.80

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Solution

The fourth proportional to 147,036.80, 220,555.20 and 94,548.80 is: 141,823.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,036.80 : 220,555.20 = 94,548.80 : x
  2. Step 2: Convert to fraction form
    147,036.80/220,555.20 = 94,548.80/x
  3. Step 3: Cross multiply
    147,036.80x = 220,555.20 × 94,548.80
  4. Step 4: Simplify right side
    147,036.80x = 20,853,229,493.76
  5. Step 5: Solve for x
    x = 20,853,229,493.76/147,036.80
  6. Step 6: Final answer
    x = 141,823.20

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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.