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Finding the Fourth Proportional to 113,216.40, 169,630.20 and 73,753.20

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Solution

The fourth proportional to 113,216.40, 169,630.20 and 73,753.20 is: 110,503.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,216.40 : 169,630.20 = 73,753.20 : x
  2. Step 2: Convert to fraction form
    113,216.40/169,630.20 = 73,753.20/x
  3. Step 3: Cross multiply
    113,216.40x = 169,630.20 × 73,753.20
  4. Step 4: Simplify right side
    113,216.40x = 12,510,770,066.64
  5. Step 5: Solve for x
    x = 12,510,770,066.64/113,216.40
  6. Step 6: Final answer
    x = 110,503.16

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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.