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Finding the Fourth Proportional to 113,493.80, 170,240.70 and 101,246.60

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Solution

The fourth proportional to 113,493.80, 170,240.70 and 101,246.60 is: 151,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,493.80 : 170,240.70 = 101,246.60 : x
  2. Step 2: Convert to fraction form
    113,493.80/170,240.70 = 101,246.60/x
  3. Step 3: Cross multiply
    113,493.80x = 170,240.70 × 101,246.60
  4. Step 4: Simplify right side
    113,493.80x = 17,236,292,056.62
  5. Step 5: Solve for x
    x = 17,236,292,056.62/113,493.80
  6. Step 6: Final answer
    x = 151,869.90

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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.