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Finding the Fourth Proportional to 225,029.52, 310,539.96 and 124,427.52

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Solution

The fourth proportional to 225,029.52, 310,539.96 and 124,427.52 is: 171,709.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,029.52 : 310,539.96 = 124,427.52 : x
  2. Step 2: Convert to fraction form
    225,029.52/310,539.96 = 124,427.52/x
  3. Step 3: Cross multiply
    225,029.52x = 310,539.96 × 124,427.52
  4. Step 4: Simplify right side
    225,029.52x = 38,639,717,083.70
  5. Step 5: Solve for x
    x = 38,639,717,083.70/225,029.52
  6. Step 6: Final answer
    x = 171,709.55

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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.