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Finding the Fourth Proportional to 361,885.80, 542,828.70 and 151,501.80

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Solution

The fourth proportional to 361,885.80, 542,828.70 and 151,501.80 is: 227,252.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,885.80 : 542,828.70 = 151,501.80 : x
  2. Step 2: Convert to fraction form
    361,885.80/542,828.70 = 151,501.80/x
  3. Step 3: Cross multiply
    361,885.80x = 542,828.70 × 151,501.80
  4. Step 4: Simplify right side
    361,885.80x = 82,239,525,141.66
  5. Step 5: Solve for x
    x = 82,239,525,141.66/361,885.80
  6. Step 6: Final answer
    x = 227,252.70

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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.