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Finding the Fourth Proportional to 225,334.47, 338,065.29 and 112,878.93

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Solution

The fourth proportional to 225,334.47, 338,065.29 and 112,878.93 is: 169,350.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,334.47 : 338,065.29 = 112,878.93 : x
  2. Step 2: Convert to fraction form
    225,334.47/338,065.29 = 112,878.93/x
  3. Step 3: Cross multiply
    225,334.47x = 338,065.29 × 112,878.93
  4. Step 4: Simplify right side
    225,334.47x = 38,160,448,205.34
  5. Step 5: Solve for x
    x = 38,160,448,205.34/225,334.47
  6. Step 6: Final answer
    x = 169,350.25

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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.