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Finding the Fourth Proportional to 160,617.61, 221,652.56 and 88,008.96

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Solution

The fourth proportional to 160,617.61, 221,652.56 and 88,008.96 is: 121,452.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,617.61 : 221,652.56 = 88,008.96 : x
  2. Step 2: Convert to fraction form
    160,617.61/221,652.56 = 88,008.96/x
  3. Step 3: Cross multiply
    160,617.61x = 221,652.56 × 88,008.96
  4. Step 4: Simplify right side
    160,617.61x = 19,507,412,338.16
  5. Step 5: Solve for x
    x = 19,507,412,338.16/160,617.61
  6. Step 6: Final answer
    x = 121,452.51

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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.