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Finding the Fourth Proportional to 116,719.40, 175,079.10 and 111,600.20

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Solution

The fourth proportional to 116,719.40, 175,079.10 and 111,600.20 is: 167,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,719.40 : 175,079.10 = 111,600.20 : x
  2. Step 2: Convert to fraction form
    116,719.40/175,079.10 = 111,600.20/x
  3. Step 3: Cross multiply
    116,719.40x = 175,079.10 × 111,600.20
  4. Step 4: Simplify right side
    116,719.40x = 19,538,862,575.82
  5. Step 5: Solve for x
    x = 19,538,862,575.82/116,719.40
  6. Step 6: Final answer
    x = 167,400.30

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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.