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Finding the Fourth Proportional to 160,597.97, 221,615.94 and 88,973.72

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Solution

The fourth proportional to 160,597.97, 221,615.94 and 88,973.72 is: 122,778.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,597.97 : 221,615.94 = 88,973.72 : x
  2. Step 2: Convert to fraction form
    160,597.97/221,615.94 = 88,973.72/x
  3. Step 3: Cross multiply
    160,597.97x = 221,615.94 × 88,973.72
  4. Step 4: Simplify right side
    160,597.97x = 19,717,995,147.14
  5. Step 5: Solve for x
    x = 19,717,995,147.14/160,597.97
  6. Step 6: Final answer
    x = 122,778.61

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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.