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Finding the Fourth Proportional to 225,059.32, 310,569.30 and 123,064.54

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Solution

The fourth proportional to 225,059.32, 310,569.30 and 123,064.54 is: 169,822.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,059.32 : 310,569.30 = 123,064.54 : x
  2. Step 2: Convert to fraction form
    225,059.32/310,569.30 = 123,064.54/x
  3. Step 3: Cross multiply
    225,059.32x = 310,569.30 × 123,064.54
  4. Step 4: Simplify right side
    225,059.32x = 38,220,068,042.62
  5. Step 5: Solve for x
    x = 38,220,068,042.62/225,059.32
  6. Step 6: Final answer
    x = 169,822.20

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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.