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Finding the Fourth Proportional to 125,682.16, 188,523.28 and 36,935.67

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Solution

The fourth proportional to 125,682.16, 188,523.28 and 36,935.67 is: 55,403.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,682.16 : 188,523.28 = 36,935.67 : x
  2. Step 2: Convert to fraction form
    125,682.16/188,523.28 = 36,935.67/x
  3. Step 3: Cross multiply
    125,682.16x = 188,523.28 × 36,935.67
  4. Step 4: Simplify right side
    125,682.16x = 6,963,233,657.40
  5. Step 5: Solve for x
    x = 6,963,233,657.40/125,682.16
  6. Step 6: Final answer
    x = 55,403.52

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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.