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Finding the Fourth Proportional to 361,134.80, 541,702.20 and 183,987.80

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Solution

The fourth proportional to 361,134.80, 541,702.20 and 183,987.80 is: 275,981.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,134.80 : 541,702.20 = 183,987.80 : x
  2. Step 2: Convert to fraction form
    361,134.80/541,702.20 = 183,987.80/x
  3. Step 3: Cross multiply
    361,134.80x = 541,702.20 × 183,987.80
  4. Step 4: Simplify right side
    361,134.80x = 99,666,596,033.16
  5. Step 5: Solve for x
    x = 99,666,596,033.16/361,134.80
  6. Step 6: Final answer
    x = 275,981.70

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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.