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Finding the Fourth Proportional to 125,875.57, 188,768.39 and 41,620.18

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Solution

The fourth proportional to 125,875.57, 188,768.39 and 41,620.18 is: 62,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,875.57 : 188,768.39 = 41,620.18 : x
  2. Step 2: Convert to fraction form
    125,875.57/188,768.39 = 41,620.18/x
  3. Step 3: Cross multiply
    125,875.57x = 188,768.39 × 41,620.18
  4. Step 4: Simplify right side
    125,875.57x = 7,856,574,370.11
  5. Step 5: Solve for x
    x = 7,856,574,370.11/125,875.57
  6. Step 6: Final answer
    x = 62,415.40

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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.