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Finding the Fourth Proportional to 170,887.01, 235,788 and 99,229.95

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Solution

The fourth proportional to 170,887.01, 235,788 and 99,229.95 is: 136,916.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,887.01 : 235,788 = 99,229.95 : x
  2. Step 2: Convert to fraction form
    170,887.01/235,788 = 99,229.95/x
  3. Step 3: Cross multiply
    170,887.01x = 235,788 × 99,229.95
  4. Step 4: Simplify right side
    170,887.01x = 23,397,231,450.60
  5. Step 5: Solve for x
    x = 23,397,231,450.60/170,887.01
  6. Step 6: Final answer
    x = 136,916.39

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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.