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Finding the Fourth Proportional to 225,049.69, 310,566.85 and 123,074.74

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Solution

The fourth proportional to 225,049.69, 310,566.85 and 123,074.74 is: 169,842.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,049.69 : 310,566.85 = 123,074.74 : x
  2. Step 2: Convert to fraction form
    225,049.69/310,566.85 = 123,074.74/x
  3. Step 3: Cross multiply
    225,049.69x = 310,566.85 × 123,074.74
  4. Step 4: Simplify right side
    225,049.69x = 38,222,934,316.37
  5. Step 5: Solve for x
    x = 38,222,934,316.37/225,049.69
  6. Step 6: Final answer
    x = 169,842.20

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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.