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Finding the Fourth Proportional to 160,580.68, 221,601.18 and 88,965.16

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Solution

The fourth proportional to 160,580.68, 221,601.18 and 88,965.16 is: 122,771.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,580.68 : 221,601.18 = 88,965.16 : x
  2. Step 2: Convert to fraction form
    160,580.68/221,601.18 = 88,965.16/x
  3. Step 3: Cross multiply
    160,580.68x = 221,601.18 × 88,965.16
  4. Step 4: Simplify right side
    160,580.68x = 19,714,784,434.89
  5. Step 5: Solve for x
    x = 19,714,784,434.89/160,580.68
  6. Step 6: Final answer
    x = 122,771.83

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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.