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Finding the Fourth Proportional to 148,800.30, 223,200.45 and 37,992.30

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Solution

The fourth proportional to 148,800.30, 223,200.45 and 37,992.30 is: 56,988.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,800.30 : 223,200.45 = 37,992.30 : x
  2. Step 2: Convert to fraction form
    148,800.30/223,200.45 = 37,992.30/x
  3. Step 3: Cross multiply
    148,800.30x = 223,200.45 × 37,992.30
  4. Step 4: Simplify right side
    148,800.30x = 8,479,898,456.54
  5. Step 5: Solve for x
    x = 8,479,898,456.54/148,800.30
  6. Step 6: Final answer
    x = 56,988.45

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Similar ratio
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1.5x scale

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.