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Finding the Fourth Proportional to 113,300.57, 169,867.94 and 57,112.90

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Solution

The fourth proportional to 113,300.57, 169,867.94 and 57,112.90 is: 85,627.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,300.57 : 169,867.94 = 57,112.90 : x
  2. Step 2: Convert to fraction form
    113,300.57/169,867.94 = 57,112.90/x
  3. Step 3: Cross multiply
    113,300.57x = 169,867.94 × 57,112.90
  4. Step 4: Simplify right side
    113,300.57x = 9,701,649,960.19
  5. Step 5: Solve for x
    x = 9,701,649,960.19/113,300.57
  6. Step 6: Final answer
    x = 85,627.55

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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.