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Finding the Fourth Proportional to 113,065.44, 169,601.76 and 56,874.84

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Solution

The fourth proportional to 113,065.44, 169,601.76 and 56,874.84 is: 85,314.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,065.44 : 169,601.76 = 56,874.84 : x
  2. Step 2: Convert to fraction form
    113,065.44/169,601.76 = 56,874.84/x
  3. Step 3: Cross multiply
    113,065.44x = 169,601.76 × 56,874.84
  4. Step 4: Simplify right side
    113,065.44x = 9,646,072,963.72
  5. Step 5: Solve for x
    x = 9,646,072,963.72/113,065.44
  6. Step 6: Final answer
    x = 85,314.07

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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.