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Finding the Fourth Proportional to 224,360.66, 309,619.68 and 122,386.57

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Solution

The fourth proportional to 224,360.66, 309,619.68 and 122,386.57 is: 168,894.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,360.66 : 309,619.68 = 122,386.57 : x
  2. Step 2: Convert to fraction form
    224,360.66/309,619.68 = 122,386.57/x
  3. Step 3: Cross multiply
    224,360.66x = 309,619.68 × 122,386.57
  4. Step 4: Simplify right side
    224,360.66x = 37,893,290,639.70
  5. Step 5: Solve for x
    x = 37,893,290,639.70/224,360.66
  6. Step 6: Final answer
    x = 168,894.54

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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.