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Finding the Fourth Proportional to 113,074.80, 169,612.20 and 29,968.80

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Solution

The fourth proportional to 113,074.80, 169,612.20 and 29,968.80 is: 44,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,074.80 : 169,612.20 = 29,968.80 : x
  2. Step 2: Convert to fraction form
    113,074.80/169,612.20 = 29,968.80/x
  3. Step 3: Cross multiply
    113,074.80x = 169,612.20 × 29,968.80
  4. Step 4: Simplify right side
    113,074.80x = 5,083,074,099.36
  5. Step 5: Solve for x
    x = 5,083,074,099.36/113,074.80
  6. Step 6: Final answer
    x = 44,953.20

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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.