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Finding the Fourth Proportional to 95,758.71, 143,614.99 and 42,421.22

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Solution

The fourth proportional to 95,758.71, 143,614.99 and 42,421.22 is: 63,621.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,758.71 : 143,614.99 = 42,421.22 : x
  2. Step 2: Convert to fraction form
    95,758.71/143,614.99 = 42,421.22/x
  3. Step 3: Cross multiply
    95,758.71x = 143,614.99 × 42,421.22
  4. Step 4: Simplify right side
    95,758.71x = 6,092,322,959.60
  5. Step 5: Solve for x
    x = 6,092,322,959.60/95,758.71
  6. Step 6: Final answer
    x = 63,621.61

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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.