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Finding the Fourth Proportional to 225,314.00, 310,933.70 and 123,339.52

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Solution

The fourth proportional to 225,314.00, 310,933.70 and 123,339.52 is: 170,208.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,314.00 : 310,933.70 = 123,339.52 : x
  2. Step 2: Convert to fraction form
    225,314.00/310,933.70 = 123,339.52/x
  3. Step 3: Cross multiply
    225,314.00x = 310,933.70 × 123,339.52
  4. Step 4: Simplify right side
    225,314.00x = 38,350,412,840.84
  5. Step 5: Solve for x
    x = 38,350,412,840.84/225,314.00
  6. Step 6: Final answer
    x = 170,208.75

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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.