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Finding the Fourth Proportional to 104,502.74, 144,215.44 and 59,179.49

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Solution

The fourth proportional to 104,502.74, 144,215.44 and 59,179.49 is: 81,668.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,502.74 : 144,215.44 = 59,179.49 : x
  2. Step 2: Convert to fraction form
    104,502.74/144,215.44 = 59,179.49/x
  3. Step 3: Cross multiply
    104,502.74x = 144,215.44 × 59,179.49
  4. Step 4: Simplify right side
    104,502.74x = 8,534,596,401.92
  5. Step 5: Solve for x
    x = 8,534,596,401.92/104,502.74
  6. Step 6: Final answer
    x = 81,668.64

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1.5x scale

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.