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Finding the Fourth Proportional to 160,514.93, 221,517.79 and 87,922.94

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Solution

The fourth proportional to 160,514.93, 221,517.79 and 87,922.94 is: 121,337.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,514.93 : 221,517.79 = 87,922.94 : x
  2. Step 2: Convert to fraction form
    160,514.93/221,517.79 = 87,922.94/x
  3. Step 3: Cross multiply
    160,514.93x = 221,517.79 × 87,922.94
  4. Step 4: Simplify right side
    160,514.93x = 19,476,494,031.71
  5. Step 5: Solve for x
    x = 19,476,494,031.71/160,514.93
  6. Step 6: Final answer
    x = 121,337.58

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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.