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Finding the Fourth Proportional to 113,846.25, 157,107.92 and 63,545.25

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Solution

The fourth proportional to 113,846.25, 157,107.92 and 63,545.25 is: 87,692.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,846.25 : 157,107.92 = 63,545.25 : x
  2. Step 2: Convert to fraction form
    113,846.25/157,107.92 = 63,545.25/x
  3. Step 3: Cross multiply
    113,846.25x = 157,107.92 × 63,545.25
  4. Step 4: Simplify right side
    113,846.25x = 9,983,461,735.65
  5. Step 5: Solve for x
    x = 9,983,461,735.65/113,846.25
  6. Step 6: Final answer
    x = 87,692.50

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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.