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Finding the Fourth Proportional to 119,670.99, 179,522.88 and 53,109.65

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Solution

The fourth proportional to 119,670.99, 179,522.88 and 53,109.65 is: 79,671.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,670.99 : 179,522.88 = 53,109.65 : x
  2. Step 2: Convert to fraction form
    119,670.99/179,522.88 = 53,109.65/x
  3. Step 3: Cross multiply
    119,670.99x = 179,522.88 × 53,109.65
  4. Step 4: Simplify right side
    119,670.99x = 9,534,396,426.18
  5. Step 5: Solve for x
    x = 9,534,396,426.18/119,670.99
  6. Step 6: Final answer
    x = 79,671.74

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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.