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Finding the Fourth Proportional to 189,552.89, 261,579.48 and 104,668.13

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Solution

The fourth proportional to 189,552.89, 261,579.48 and 104,668.13 is: 144,440.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,552.89 : 261,579.48 = 104,668.13 : x
  2. Step 2: Convert to fraction form
    189,552.89/261,579.48 = 104,668.13/x
  3. Step 3: Cross multiply
    189,552.89x = 261,579.48 × 104,668.13
  4. Step 4: Simplify right side
    189,552.89x = 27,379,033,710.08
  5. Step 5: Solve for x
    x = 27,379,033,710.08/189,552.89
  6. Step 6: Final answer
    x = 144,440.08

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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.