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Finding the Fourth Proportional to 124,506.44, 186,763.44 and 40,264.28

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Solution

The fourth proportional to 124,506.44, 186,763.44 and 40,264.28 is: 60,397.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,506.44 : 186,763.44 = 40,264.28 : x
  2. Step 2: Convert to fraction form
    124,506.44/186,763.44 = 40,264.28/x
  3. Step 3: Cross multiply
    124,506.44x = 186,763.44 × 40,264.28
  4. Step 4: Simplify right side
    124,506.44x = 7,519,895,441.92
  5. Step 5: Solve for x
    x = 7,519,895,441.92/124,506.44
  6. Step 6: Final answer
    x = 60,397.64

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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.