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Finding the Fourth Proportional to 151,445.80, 226,731.30 and 147,071.80

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Solution

The fourth proportional to 151,445.80, 226,731.30 and 147,071.80 is: 220,182.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,445.80 : 226,731.30 = 147,071.80 : x
  2. Step 2: Convert to fraction form
    151,445.80/226,731.30 = 147,071.80/x
  3. Step 3: Cross multiply
    151,445.80x = 226,731.30 × 147,071.80
  4. Step 4: Simplify right side
    151,445.80x = 33,345,780,407.34
  5. Step 5: Solve for x
    x = 33,345,780,407.34/151,445.80
  6. Step 6: Final answer
    x = 220,182.93

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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.