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Finding the Fourth Proportional to 124,306.57, 186,422.80 and 44,330.41

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Solution

The fourth proportional to 124,306.57, 186,422.80 and 44,330.41 is: 66,482.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,306.57 : 186,422.80 = 44,330.41 : x
  2. Step 2: Convert to fraction form
    124,306.57/186,422.80 = 44,330.41/x
  3. Step 3: Cross multiply
    124,306.57x = 186,422.80 × 44,330.41
  4. Step 4: Simplify right side
    124,306.57x = 8,264,199,157.35
  5. Step 5: Solve for x
    x = 8,264,199,157.35/124,306.57
  6. Step 6: Final answer
    x = 66,482.40

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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.