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Finding the Fourth Proportional to 107,874.80, 148,886.25 and 67,623.08

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Solution

The fourth proportional to 107,874.80, 148,886.25 and 67,623.08 is: 93,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,874.80 : 148,886.25 = 67,623.08 : x
  2. Step 2: Convert to fraction form
    107,874.80/148,886.25 = 67,623.08/x
  3. Step 3: Cross multiply
    107,874.80x = 148,886.25 × 67,623.08
  4. Step 4: Simplify right side
    107,874.80x = 10,068,146,794.65
  5. Step 5: Solve for x
    x = 10,068,146,794.65/107,874.80
  6. Step 6: Final answer
    x = 93,331.78

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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.