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Finding the Fourth Proportional to 113,314.20, 169,970.64 and 29,074.20

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Solution

The fourth proportional to 113,314.20, 169,970.64 and 29,074.20 is: 43,611.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,314.20 : 169,970.64 = 29,074.20 : x
  2. Step 2: Convert to fraction form
    113,314.20/169,970.64 = 29,074.20/x
  3. Step 3: Cross multiply
    113,314.20x = 169,970.64 × 29,074.20
  4. Step 4: Simplify right side
    113,314.20x = 4,941,760,381.49
  5. Step 5: Solve for x
    x = 4,941,760,381.49/113,314.20
  6. Step 6: Final answer
    x = 43,611.13

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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.