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Finding the Fourth Proportional to 234,888.72, 352,268.28 and 66,395.76

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Solution

The fourth proportional to 234,888.72, 352,268.28 and 66,395.76 is: 99,575.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,888.72 : 352,268.28 = 66,395.76 : x
  2. Step 2: Convert to fraction form
    234,888.72/352,268.28 = 66,395.76/x
  3. Step 3: Cross multiply
    234,888.72x = 352,268.28 × 66,395.76
  4. Step 4: Simplify right side
    234,888.72x = 23,389,120,174.49
  5. Step 5: Solve for x
    x = 23,389,120,174.49/234,888.72
  6. Step 6: Final answer
    x = 99,575.32

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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.