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Finding the Fourth Proportional to 95,503.68, 143,206.08 and 42,867.84

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Solution

The fourth proportional to 95,503.68, 143,206.08 and 42,867.84 is: 64,279.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,503.68 : 143,206.08 = 42,867.84 : x
  2. Step 2: Convert to fraction form
    95,503.68/143,206.08 = 42,867.84/x
  3. Step 3: Cross multiply
    95,503.68x = 143,206.08 × 42,867.84
  4. Step 4: Simplify right side
    95,503.68x = 6,138,935,324.47
  5. Step 5: Solve for x
    x = 6,138,935,324.47/95,503.68
  6. Step 6: Final answer
    x = 64,279.57

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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.