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Finding the Fourth Proportional to 68,202.34, 94,122.13 and 37,987.65

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Solution

The fourth proportional to 68,202.34, 94,122.13 and 37,987.65 is: 52,424.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,202.34 : 94,122.13 = 37,987.65 : x
  2. Step 2: Convert to fraction form
    68,202.34/94,122.13 = 37,987.65/x
  3. Step 3: Cross multiply
    68,202.34x = 94,122.13 × 37,987.65
  4. Step 4: Simplify right side
    68,202.34x = 3,575,478,531.69
  5. Step 5: Solve for x
    x = 3,575,478,531.69/68,202.34
  6. Step 6: Final answer
    x = 52,424.57

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1.5x scale

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.