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Finding the Fourth Proportional to 225,050.56, 310,568.96 and 124,448.56

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Solution

The fourth proportional to 225,050.56, 310,568.96 and 124,448.56 is: 171,738.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,050.56 : 310,568.96 = 124,448.56 : x
  2. Step 2: Convert to fraction form
    225,050.56/310,568.96 = 124,448.56/x
  3. Step 3: Cross multiply
    225,050.56x = 310,568.96 × 124,448.56
  4. Step 4: Simplify right side
    225,050.56x = 38,649,859,852.70
  5. Step 5: Solve for x
    x = 38,649,859,852.70/225,050.56
  6. Step 6: Final answer
    x = 171,738.56

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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.