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Finding the Fourth Proportional to 101,390.32, 152,033.32 and 59,279.68

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Solution

The fourth proportional to 101,390.32, 152,033.32 and 59,279.68 is: 88,889.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,390.32 : 152,033.32 = 59,279.68 : x
  2. Step 2: Convert to fraction form
    101,390.32/152,033.32 = 59,279.68/x
  3. Step 3: Cross multiply
    101,390.32x = 152,033.32 × 59,279.68
  4. Step 4: Simplify right side
    101,390.32x = 9,012,486,558.94
  5. Step 5: Solve for x
    x = 9,012,486,558.94/101,390.32
  6. Step 6: Final answer
    x = 88,889.02

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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.