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Finding the Fourth Proportional to 174,168.80, 240,008.88 and 123,726.56

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Solution

The fourth proportional to 174,168.80, 240,008.88 and 123,726.56 is: 170,498.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,168.80 : 240,008.88 = 123,726.56 : x
  2. Step 2: Convert to fraction form
    174,168.80/240,008.88 = 123,726.56/x
  3. Step 3: Cross multiply
    174,168.80x = 240,008.88 × 123,726.56
  4. Step 4: Simplify right side
    174,168.80x = 29,695,473,091.85
  5. Step 5: Solve for x
    x = 29,695,473,091.85/174,168.80
  6. Step 6: Final answer
    x = 170,498.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.