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Finding the Fourth Proportional to 125,482.91, 188,184.47 and 41,223.53

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Solution

The fourth proportional to 125,482.91, 188,184.47 and 41,223.53 is: 61,822.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,482.91 : 188,184.47 = 41,223.53 : x
  2. Step 2: Convert to fraction form
    125,482.91/188,184.47 = 41,223.53/x
  3. Step 3: Cross multiply
    125,482.91x = 188,184.47 × 41,223.53
  4. Step 4: Simplify right side
    125,482.91x = 7,757,628,408.92
  5. Step 5: Solve for x
    x = 7,757,628,408.92/125,482.91
  6. Step 6: Final answer
    x = 61,822.19

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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.