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Finding the Fourth Proportional to 113,706, 156,917.52 and 63,408.24

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Solution

The fourth proportional to 113,706, 156,917.52 and 63,408.24 is: 87,505.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,706 : 156,917.52 = 63,408.24 : x
  2. Step 2: Convert to fraction form
    113,706/156,917.52 = 63,408.24/x
  3. Step 3: Cross multiply
    113,706x = 156,917.52 × 63,408.24
  4. Step 4: Simplify right side
    113,706x = 9,949,863,768.36
  5. Step 5: Solve for x
    x = 9,949,863,768.36/113,706
  6. Step 6: Final answer
    x = 87,505.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.