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Finding the Fourth Proportional to 360,167.95, 539,876.49 and 135,373.51

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Solution

The fourth proportional to 360,167.95, 539,876.49 and 135,373.51 is: 202,919.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,167.95 : 539,876.49 = 135,373.51 : x
  2. Step 2: Convert to fraction form
    360,167.95/539,876.49 = 135,373.51/x
  3. Step 3: Cross multiply
    360,167.95x = 539,876.49 × 135,373.51
  4. Step 4: Simplify right side
    360,167.95x = 73,084,975,417.78
  5. Step 5: Solve for x
    x = 73,084,975,417.78/360,167.95
  6. Step 6: Final answer
    x = 202,919.15

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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.