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Finding the Fourth Proportional to 54,167.68, 81,258.08 and 19,100.16

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Solution

The fourth proportional to 54,167.68, 81,258.08 and 19,100.16 is: 28,652.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,167.68 : 81,258.08 = 19,100.16 : x
  2. Step 2: Convert to fraction form
    54,167.68/81,258.08 = 19,100.16/x
  3. Step 3: Cross multiply
    54,167.68x = 81,258.08 × 19,100.16
  4. Step 4: Simplify right side
    54,167.68x = 1,552,042,329.29
  5. Step 5: Solve for x
    x = 1,552,042,329.29/54,167.68
  6. Step 6: Final answer
    x = 28,652.55

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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.