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Finding the Fourth Proportional to 342,774.65, 473,029.26 and 187,725.13

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Solution

The fourth proportional to 342,774.65, 473,029.26 and 187,725.13 is: 259,060.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,774.65 : 473,029.26 = 187,725.13 : x
  2. Step 2: Convert to fraction form
    342,774.65/473,029.26 = 187,725.13/x
  3. Step 3: Cross multiply
    342,774.65x = 473,029.26 × 187,725.13
  4. Step 4: Simplify right side
    342,774.65x = 88,799,479,327.30
  5. Step 5: Solve for x
    x = 88,799,479,327.30/342,774.65
  6. Step 6: Final answer
    x = 259,060.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.