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Finding the Fourth Proportional to 121,668.32, 182,502.48 and 38,562.32

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Solution

The fourth proportional to 121,668.32, 182,502.48 and 38,562.32 is: 57,843.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,668.32 : 182,502.48 = 38,562.32 : x
  2. Step 2: Convert to fraction form
    121,668.32/182,502.48 = 38,562.32/x
  3. Step 3: Cross multiply
    121,668.32x = 182,502.48 × 38,562.32
  4. Step 4: Simplify right side
    121,668.32x = 7,037,717,929.23
  5. Step 5: Solve for x
    x = 7,037,717,929.23/121,668.32
  6. Step 6: Final answer
    x = 57,843.47

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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.