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Finding the Fourth Proportional to 104,479.53, 144,184.73 and 61,462.19

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Solution

The fourth proportional to 104,479.53, 144,184.73 and 61,462.19 is: 84,819.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,479.53 : 144,184.73 = 61,462.19 : x
  2. Step 2: Convert to fraction form
    104,479.53/144,184.73 = 61,462.19/x
  3. Step 3: Cross multiply
    104,479.53x = 144,184.73 × 61,462.19
  4. Step 4: Simplify right side
    104,479.53x = 8,861,908,242.12
  5. Step 5: Solve for x
    x = 8,861,908,242.12/104,479.53
  6. Step 6: Final answer
    x = 84,819.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.