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Finding the Fourth Proportional to 160,595.64, 221,615.46 and 88,978.68

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Solution

The fourth proportional to 160,595.64, 221,615.46 and 88,978.68 is: 122,786.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,595.64 : 221,615.46 = 88,978.68 : x
  2. Step 2: Convert to fraction form
    160,595.64/221,615.46 = 88,978.68/x
  3. Step 3: Cross multiply
    160,595.64x = 221,615.46 × 88,978.68
  4. Step 4: Simplify right side
    160,595.64x = 19,719,051,098.39
  5. Step 5: Solve for x
    x = 19,719,051,098.39/160,595.64
  6. Step 6: Final answer
    x = 122,786.96

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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.