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Finding the Fourth Proportional to 107,672.68, 148,596.88 and 62,351.46

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Solution

The fourth proportional to 107,672.68, 148,596.88 and 62,351.46 is: 86,049.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,672.68 : 148,596.88 = 62,351.46 : x
  2. Step 2: Convert to fraction form
    107,672.68/148,596.88 = 62,351.46/x
  3. Step 3: Cross multiply
    107,672.68x = 148,596.88 × 62,351.46
  4. Step 4: Simplify right side
    107,672.68x = 9,265,232,419.44
  5. Step 5: Solve for x
    x = 9,265,232,419.44/107,672.68
  6. Step 6: Final answer
    x = 86,049.98

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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.