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Finding the Fourth Proportional to 160,483.92, 221,467.72 and 88,863.88

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Solution

The fourth proportional to 160,483.92, 221,467.72 and 88,863.88 is: 122,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,483.92 : 221,467.72 = 88,863.88 : x
  2. Step 2: Convert to fraction form
    160,483.92/221,467.72 = 88,863.88/x
  3. Step 3: Cross multiply
    160,483.92x = 221,467.72 × 88,863.88
  4. Step 4: Simplify right side
    160,483.92x = 19,680,480,893.95
  5. Step 5: Solve for x
    x = 19,680,480,893.95/160,483.92
  6. Step 6: Final answer
    x = 122,632.10

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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.