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Finding the Fourth Proportional to 113,017.56, 169,535.74 and 56,828.76

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Solution

The fourth proportional to 113,017.56, 169,535.74 and 56,828.76 is: 85,247.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,017.56 : 169,535.74 = 56,828.76 : x
  2. Step 2: Convert to fraction form
    113,017.56/169,535.74 = 56,828.76/x
  3. Step 3: Cross multiply
    113,017.56x = 169,535.74 × 56,828.76
  4. Step 4: Simplify right side
    113,017.56x = 9,634,505,879.88
  5. Step 5: Solve for x
    x = 9,634,505,879.88/113,017.56
  6. Step 6: Final answer
    x = 85,247.87

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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.