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Finding the Fourth Proportional to 103,237.56, 154,882.20 and 29,365.56

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Solution

The fourth proportional to 103,237.56, 154,882.20 and 29,365.56 is: 44,055.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,237.56 : 154,882.20 = 29,365.56 : x
  2. Step 2: Convert to fraction form
    103,237.56/154,882.20 = 29,365.56/x
  3. Step 3: Cross multiply
    103,237.56x = 154,882.20 × 29,365.56
  4. Step 4: Simplify right side
    103,237.56x = 4,548,202,537.03
  5. Step 5: Solve for x
    x = 4,548,202,537.03/103,237.56
  6. Step 6: Final answer
    x = 44,055.70

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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.