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Finding the Fourth Proportional to 160,364.92, 221,304.02 and 88,749.88

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Solution

The fourth proportional to 160,364.92, 221,304.02 and 88,749.88 is: 122,475.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,364.92 : 221,304.02 = 88,749.88 : x
  2. Step 2: Convert to fraction form
    160,364.92/221,304.02 = 88,749.88/x
  3. Step 3: Cross multiply
    160,364.92x = 221,304.02 × 88,749.88
  4. Step 4: Simplify right side
    160,364.92x = 19,640,705,218.52
  5. Step 5: Solve for x
    x = 19,640,705,218.52/160,364.92
  6. Step 6: Final answer
    x = 122,475.07

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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.