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Finding the Fourth Proportional to 225,086.58, 310,616.94 and 123,114.96

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Solution

The fourth proportional to 225,086.58, 310,616.94 and 123,114.96 is: 169,897.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,086.58 : 310,616.94 = 123,114.96 : x
  2. Step 2: Convert to fraction form
    225,086.58/310,616.94 = 123,114.96/x
  3. Step 3: Cross multiply
    225,086.58x = 310,616.94 × 123,114.96
  4. Step 4: Simplify right side
    225,086.58x = 38,241,592,143.42
  5. Step 5: Solve for x
    x = 38,241,592,143.42/225,086.58
  6. Step 6: Final answer
    x = 169,897.26

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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.