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Finding the Fourth Proportional to 160,170.32, 221,035.72 and 88,549.84

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Solution

The fourth proportional to 160,170.32, 221,035.72 and 88,549.84 is: 122,199.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,170.32 : 221,035.72 = 88,549.84 : x
  2. Step 2: Convert to fraction form
    160,170.32/221,035.72 = 88,549.84/x
  3. Step 3: Cross multiply
    160,170.32x = 221,035.72 × 88,549.84
  4. Step 4: Simplify right side
    160,170.32x = 19,572,677,640.28
  5. Step 5: Solve for x
    x = 19,572,677,640.28/160,170.32
  6. Step 6: Final answer
    x = 122,199.15

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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.