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Finding the Fourth Proportional to 160,618.75, 221,655.18 and 88,999.97

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Solution

The fourth proportional to 160,618.75, 221,655.18 and 88,999.97 is: 122,820.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,618.75 : 221,655.18 = 88,999.97 : x
  2. Step 2: Convert to fraction form
    160,618.75/221,655.18 = 88,999.97/x
  3. Step 3: Cross multiply
    160,618.75x = 221,655.18 × 88,999.97
  4. Step 4: Simplify right side
    160,618.75x = 19,727,303,595.82
  5. Step 5: Solve for x
    x = 19,727,303,595.82/160,618.75
  6. Step 6: Final answer
    x = 122,820.68

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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.