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Finding the Fourth Proportional to 225,841.57, 338,788.28 and 76,030.45

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Solution

The fourth proportional to 225,841.57, 338,788.28 and 76,030.45 is: 114,054.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,841.57 : 338,788.28 = 76,030.45 : x
  2. Step 2: Convert to fraction form
    225,841.57/338,788.28 = 76,030.45/x
  3. Step 3: Cross multiply
    225,841.57x = 338,788.28 × 76,030.45
  4. Step 4: Simplify right side
    225,841.57x = 25,758,225,383.13
  5. Step 5: Solve for x
    x = 25,758,225,383.13/225,841.57
  6. Step 6: Final answer
    x = 114,054.40

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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.