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Finding the Fourth Proportional to 124,058.88, 186,109.12 and 57,471.84

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Solution

The fourth proportional to 124,058.88, 186,109.12 and 57,471.84 is: 86,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,058.88 : 186,109.12 = 57,471.84 : x
  2. Step 2: Convert to fraction form
    124,058.88/186,109.12 = 57,471.84/x
  3. Step 3: Cross multiply
    124,058.88x = 186,109.12 × 57,471.84
  4. Step 4: Simplify right side
    124,058.88x = 10,696,033,567.18
  5. Step 5: Solve for x
    x = 10,696,033,567.18/124,058.88
  6. Step 6: Final answer
    x = 86,217.40

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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.