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Finding the Fourth Proportional to 225,028.92, 310,534.34 and 123,055.04

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Solution

The fourth proportional to 225,028.92, 310,534.34 and 123,055.04 is: 169,812.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,028.92 : 310,534.34 = 123,055.04 : x
  2. Step 2: Convert to fraction form
    225,028.92/310,534.34 = 123,055.04/x
  3. Step 3: Cross multiply
    225,028.92x = 310,534.34 × 123,055.04
  4. Step 4: Simplify right side
    225,028.92x = 38,212,815,630.07
  5. Step 5: Solve for x
    x = 38,212,815,630.07/225,028.92
  6. Step 6: Final answer
    x = 169,812.91

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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.