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Finding the Fourth Proportional to 202,878.74, 304,401.94 and 88,967.60

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Solution

The fourth proportional to 202,878.74, 304,401.94 and 88,967.60 is: 133,488.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,878.74 : 304,401.94 = 88,967.60 : x
  2. Step 2: Convert to fraction form
    202,878.74/304,401.94 = 88,967.60/x
  3. Step 3: Cross multiply
    202,878.74x = 304,401.94 × 88,967.60
  4. Step 4: Simplify right side
    202,878.74x = 27,081,910,785.11
  5. Step 5: Solve for x
    x = 27,081,910,785.11/202,878.74
  6. Step 6: Final answer
    x = 133,488.17

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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.