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Finding the Fourth Proportional to 113,352.75, 156,427.71 and 63,051.75

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Solution

The fourth proportional to 113,352.75, 156,427.71 and 63,051.75 is: 87,011.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,352.75 : 156,427.71 = 63,051.75 : x
  2. Step 2: Convert to fraction form
    113,352.75/156,427.71 = 63,051.75/x
  3. Step 3: Cross multiply
    113,352.75x = 156,427.71 × 63,051.75
  4. Step 4: Simplify right side
    113,352.75x = 9,863,040,627.55
  5. Step 5: Solve for x
    x = 9,863,040,627.55/113,352.75
  6. Step 6: Final answer
    x = 87,011.92

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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.