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Finding the Fourth Proportional to 113,170.16, 169,754.57 and 28,930.20

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Solution

The fourth proportional to 113,170.16, 169,754.57 and 28,930.20 is: 43,395.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,170.16 : 169,754.57 = 28,930.20 : x
  2. Step 2: Convert to fraction form
    113,170.16/169,754.57 = 28,930.20/x
  3. Step 3: Cross multiply
    113,170.16x = 169,754.57 × 28,930.20
  4. Step 4: Simplify right side
    113,170.16x = 4,911,034,157.73
  5. Step 5: Solve for x
    x = 4,911,034,157.73/113,170.16
  6. Step 6: Final answer
    x = 43,395.13

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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.