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Finding the Fourth Proportional to 103,229.53, 154,853.53 and 40,048.13

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Solution

The fourth proportional to 103,229.53, 154,853.53 and 40,048.13 is: 60,075.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,229.53 : 154,853.53 = 40,048.13 : x
  2. Step 2: Convert to fraction form
    103,229.53/154,853.53 = 40,048.13/x
  3. Step 3: Cross multiply
    103,229.53x = 154,853.53 × 40,048.13
  4. Step 4: Simplify right side
    103,229.53x = 6,201,594,587.41
  5. Step 5: Solve for x
    x = 6,201,594,587.41/103,229.53
  6. Step 6: Final answer
    x = 60,075.78

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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.