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Finding the Fourth Proportional to 167,421.60, 251,326.80 and 96,400.80

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Solution

The fourth proportional to 167,421.60, 251,326.80 and 96,400.80 is: 144,713.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,421.60 : 251,326.80 = 96,400.80 : x
  2. Step 2: Convert to fraction form
    167,421.60/251,326.80 = 96,400.80/x
  3. Step 3: Cross multiply
    167,421.60x = 251,326.80 × 96,400.80
  4. Step 4: Simplify right side
    167,421.60x = 24,228,104,581.44
  5. Step 5: Solve for x
    x = 24,228,104,581.44/167,421.60
  6. Step 6: Final answer
    x = 144,713.13

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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.