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Finding the Fourth Proportional to 107,734, 148,669.92 and 59,987.32

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Solution

The fourth proportional to 107,734, 148,669.92 and 59,987.32 is: 82,780.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,734 : 148,669.92 = 59,987.32 : x
  2. Step 2: Convert to fraction form
    107,734/148,669.92 = 59,987.32/x
  3. Step 3: Cross multiply
    107,734x = 148,669.92 × 59,987.32
  4. Step 4: Simplify right side
    107,734x = 8,918,310,065.41
  5. Step 5: Solve for x
    x = 8,918,310,065.41/107,734
  6. Step 6: Final answer
    x = 82,780.83

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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.