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Finding the Fourth Proportional to 126,547.52, 189,821.28 and 33,053.12

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Solution

The fourth proportional to 126,547.52, 189,821.28 and 33,053.12 is: 49,579.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,547.52 : 189,821.28 = 33,053.12 : x
  2. Step 2: Convert to fraction form
    126,547.52/189,821.28 = 33,053.12/x
  3. Step 3: Cross multiply
    126,547.52x = 189,821.28 × 33,053.12
  4. Step 4: Simplify right side
    126,547.52x = 6,274,185,546.39
  5. Step 5: Solve for x
    x = 6,274,185,546.39/126,547.52
  6. Step 6: Final answer
    x = 49,579.68

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.