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Finding the Fourth Proportional to 268,625.01, 402,798.82 and 79,060.74

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Solution

The fourth proportional to 268,625.01, 402,798.82 and 79,060.74 is: 118,550.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,625.01 : 402,798.82 = 79,060.74 : x
  2. Step 2: Convert to fraction form
    268,625.01/402,798.82 = 79,060.74/x
  3. Step 3: Cross multiply
    268,625.01x = 402,798.82 × 79,060.74
  4. Step 4: Simplify right side
    268,625.01x = 31,845,572,780.33
  5. Step 5: Solve for x
    x = 31,845,572,780.33/268,625.01
  6. Step 6: Final answer
    x = 118,550.29

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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.