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Finding the Fourth Proportional to 71,925.88, 107,888.82 and 25,192.12

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Solution

The fourth proportional to 71,925.88, 107,888.82 and 25,192.12 is: 37,788.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,925.88 : 107,888.82 = 25,192.12 : x
  2. Step 2: Convert to fraction form
    71,925.88/107,888.82 = 25,192.12/x
  3. Step 3: Cross multiply
    71,925.88x = 107,888.82 × 25,192.12
  4. Step 4: Simplify right side
    71,925.88x = 2,717,948,100.10
  5. Step 5: Solve for x
    x = 2,717,948,100.10/71,925.88
  6. Step 6: Final answer
    x = 37,788.18

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1.5x scale

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.