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Finding the Fourth Proportional to 106,695.60, 160,026.60 and 67,131.60

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Solution

The fourth proportional to 106,695.60, 160,026.60 and 67,131.60 is: 100,686.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,695.60 : 160,026.60 = 67,131.60 : x
  2. Step 2: Convert to fraction form
    106,695.60/160,026.60 = 67,131.60/x
  3. Step 3: Cross multiply
    106,695.60x = 160,026.60 × 67,131.60
  4. Step 4: Simplify right side
    106,695.60x = 10,742,841,700.56
  5. Step 5: Solve for x
    x = 10,742,841,700.56/106,695.60
  6. Step 6: Final answer
    x = 100,686.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.