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Finding the Fourth Proportional to 119,767.86, 179,668.18 and 40,860.90

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Solution

The fourth proportional to 119,767.86, 179,668.18 and 40,860.90 is: 61,296.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,767.86 : 179,668.18 = 40,860.90 : x
  2. Step 2: Convert to fraction form
    119,767.86/179,668.18 = 40,860.90/x
  3. Step 3: Cross multiply
    119,767.86x = 179,668.18 × 40,860.90
  4. Step 4: Simplify right side
    119,767.86x = 7,341,403,536.16
  5. Step 5: Solve for x
    x = 7,341,403,536.16/119,767.86
  6. Step 6: Final answer
    x = 61,296.94

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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.