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Finding the Fourth Proportional to 223,009.49, 307,753.25 and 121,034.92

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Solution

The fourth proportional to 223,009.49, 307,753.25 and 121,034.92 is: 167,028.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,009.49 : 307,753.25 = 121,034.92 : x
  2. Step 2: Convert to fraction form
    223,009.49/307,753.25 = 121,034.92/x
  3. Step 3: Cross multiply
    223,009.49x = 307,753.25 × 121,034.92
  4. Step 4: Simplify right side
    223,009.49x = 37,248,889,993.49
  5. Step 5: Solve for x
    x = 37,248,889,993.49/223,009.49
  6. Step 6: Final answer
    x = 167,028.27

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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.