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Finding the Fourth Proportional to 225,367.25, 310,994.98 and 123,373.16

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Solution

The fourth proportional to 225,367.25, 310,994.98 and 123,373.16 is: 170,248.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,367.25 : 310,994.98 = 123,373.16 : x
  2. Step 2: Convert to fraction form
    225,367.25/310,994.98 = 123,373.16/x
  3. Step 3: Cross multiply
    225,367.25x = 310,994.98 × 123,373.16
  4. Step 4: Simplify right side
    225,367.25x = 38,368,432,729.56
  5. Step 5: Solve for x
    x = 38,368,432,729.56/225,367.25
  6. Step 6: Final answer
    x = 170,248.49

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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.