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Finding the Fourth Proportional to 275,823.17, 413,817.78 and 98,307.08

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Solution

The fourth proportional to 275,823.17, 413,817.78 and 98,307.08 is: 147,490.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,823.17 : 413,817.78 = 98,307.08 : x
  2. Step 2: Convert to fraction form
    275,823.17/413,817.78 = 98,307.08/x
  3. Step 3: Cross multiply
    275,823.17x = 413,817.78 × 98,307.08
  4. Step 4: Simplify right side
    275,823.17x = 40,681,217,603.88
  5. Step 5: Solve for x
    x = 40,681,217,603.88/275,823.17
  6. Step 6: Final answer
    x = 147,490.21

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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.