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Finding the Fourth Proportional to 160,020.47, 220,827.56 and 88,400.49

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Solution

The fourth proportional to 160,020.47, 220,827.56 and 88,400.49 is: 121,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,020.47 : 220,827.56 = 88,400.49 : x
  2. Step 2: Convert to fraction form
    160,020.47/220,827.56 = 88,400.49/x
  3. Step 3: Cross multiply
    160,020.47x = 220,827.56 × 88,400.49
  4. Step 4: Simplify right side
    160,020.47x = 19,521,264,067.50
  5. Step 5: Solve for x
    x = 19,521,264,067.50/160,020.47
  6. Step 6: Final answer
    x = 121,992.30

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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.