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Finding the Fourth Proportional to 160,712.40, 221,781.88 and 88,114.44

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Solution

The fourth proportional to 160,712.40, 221,781.88 and 88,114.44 is: 121,597.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,712.40 : 221,781.88 = 88,114.44 : x
  2. Step 2: Convert to fraction form
    160,712.40/221,781.88 = 88,114.44/x
  3. Step 3: Cross multiply
    160,712.40x = 221,781.88 × 88,114.44
  4. Step 4: Simplify right side
    160,712.40x = 19,542,186,158.35
  5. Step 5: Solve for x
    x = 19,542,186,158.35/160,712.40
  6. Step 6: Final answer
    x = 121,597.25

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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.