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Finding the Fourth Proportional to 124,179.54, 186,305.61 and 39,937.82

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Solution

The fourth proportional to 124,179.54, 186,305.61 and 39,937.82 is: 59,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,179.54 : 186,305.61 = 39,937.82 : x
  2. Step 2: Convert to fraction form
    124,179.54/186,305.61 = 39,937.82/x
  3. Step 3: Cross multiply
    124,179.54x = 186,305.61 × 39,937.82
  4. Step 4: Simplify right side
    124,179.54x = 7,440,638,785.95
  5. Step 5: Solve for x
    x = 7,440,638,785.95/124,179.54
  6. Step 6: Final answer
    x = 59,918.40

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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.