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Finding the Fourth Proportional to 225,195.17, 310,764.53 and 123,220.22

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Solution

The fourth proportional to 225,195.17, 310,764.53 and 123,220.22 is: 170,041.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,195.17 : 310,764.53 = 123,220.22 : x
  2. Step 2: Convert to fraction form
    225,195.17/310,764.53 = 123,220.22/x
  3. Step 3: Cross multiply
    225,195.17x = 310,764.53 × 123,220.22
  4. Step 4: Simplify right side
    225,195.17x = 38,292,472,509.02
  5. Step 5: Solve for x
    x = 38,292,472,509.02/225,195.17
  6. Step 6: Final answer
    x = 170,041.27

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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.