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Finding the Fourth Proportional to 125,570.70, 188,380.35 and 36,827.10

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Solution

The fourth proportional to 125,570.70, 188,380.35 and 36,827.10 is: 55,247.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,570.70 : 188,380.35 = 36,827.10 : x
  2. Step 2: Convert to fraction form
    125,570.70/188,380.35 = 36,827.10/x
  3. Step 3: Cross multiply
    125,570.70x = 188,380.35 × 36,827.10
  4. Step 4: Simplify right side
    125,570.70x = 6,937,501,987.49
  5. Step 5: Solve for x
    x = 6,937,501,987.49/125,570.70
  6. Step 6: Final answer
    x = 55,247.78

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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.