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Finding the Fourth Proportional to 101,588.88, 151,765.53 and 65,758.32

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Solution

The fourth proportional to 101,588.88, 151,765.53 and 65,758.32 is: 98,237.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,588.88 : 151,765.53 = 65,758.32 : x
  2. Step 2: Convert to fraction form
    101,588.88/151,765.53 = 65,758.32/x
  3. Step 3: Cross multiply
    101,588.88x = 151,765.53 × 65,758.32
  4. Step 4: Simplify right side
    101,588.88x = 9,979,846,286.71
  5. Step 5: Solve for x
    x = 9,979,846,286.71/101,588.88
  6. Step 6: Final answer
    x = 98,237.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.