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Finding the Fourth Proportional to 188,267.60, 282,401.40 and 113,472.20

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Solution

The fourth proportional to 188,267.60, 282,401.40 and 113,472.20 is: 170,208.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,267.60 : 282,401.40 = 113,472.20 : x
  2. Step 2: Convert to fraction form
    188,267.60/282,401.40 = 113,472.20/x
  3. Step 3: Cross multiply
    188,267.60x = 282,401.40 × 113,472.20
  4. Step 4: Simplify right side
    188,267.60x = 32,044,708,141.08
  5. Step 5: Solve for x
    x = 32,044,708,141.08/188,267.60
  6. Step 6: Final answer
    x = 170,208.30

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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.