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Finding the Fourth Proportional to 124,208.52, 186,368.15 and 45,304.30

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Solution

The fourth proportional to 124,208.52, 186,368.15 and 45,304.30 is: 67,976.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,208.52 : 186,368.15 = 45,304.30 : x
  2. Step 2: Convert to fraction form
    124,208.52/186,368.15 = 45,304.30/x
  3. Step 3: Cross multiply
    124,208.52x = 186,368.15 × 45,304.30
  4. Step 4: Simplify right side
    124,208.52x = 8,443,278,578.05
  5. Step 5: Solve for x
    x = 8,443,278,578.05/124,208.52
  6. Step 6: Final answer
    x = 67,976.65

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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.