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Finding the Fourth Proportional to 125,590.74, 188,315.18 and 41,328.18

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Solution

The fourth proportional to 125,590.74, 188,315.18 and 41,328.18 is: 61,968.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,590.74 : 188,315.18 = 41,328.18 : x
  2. Step 2: Convert to fraction form
    125,590.74/188,315.18 = 41,328.18/x
  3. Step 3: Cross multiply
    125,590.74x = 188,315.18 × 41,328.18
  4. Step 4: Simplify right side
    125,590.74x = 7,782,723,655.77
  5. Step 5: Solve for x
    x = 7,782,723,655.77/125,590.74
  6. Step 6: Final answer
    x = 61,968.93

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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.