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Finding the Fourth Proportional to 277,386.32, 416,122.68 and 90,354.32

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Solution

The fourth proportional to 277,386.32, 416,122.68 and 90,354.32 is: 135,545.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,386.32 : 416,122.68 = 90,354.32 : x
  2. Step 2: Convert to fraction form
    277,386.32/416,122.68 = 90,354.32/x
  3. Step 3: Cross multiply
    277,386.32x = 416,122.68 × 90,354.32
  4. Step 4: Simplify right side
    277,386.32x = 37,598,481,787.98
  5. Step 5: Solve for x
    x = 37,598,481,787.98/277,386.32
  6. Step 6: Final answer
    x = 135,545.55

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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.