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Finding the Fourth Proportional to 333,649.90, 500,237.12 and 156,060.10

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Solution

The fourth proportional to 333,649.90, 500,237.12 and 156,060.10 is: 233,978.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,649.90 : 500,237.12 = 156,060.10 : x
  2. Step 2: Convert to fraction form
    333,649.90/500,237.12 = 156,060.10/x
  3. Step 3: Cross multiply
    333,649.90x = 500,237.12 × 156,060.10
  4. Step 4: Simplify right side
    333,649.90x = 78,067,054,190.61
  5. Step 5: Solve for x
    x = 78,067,054,190.61/333,649.90
  6. Step 6: Final answer
    x = 233,978.95

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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.