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Finding the Fourth Proportional to 170,808.00, 256,367.47 and 90,913.04

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Solution

The fourth proportional to 170,808.00, 256,367.47 and 90,913.04 is: 136,452.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,808.00 : 256,367.47 = 90,913.04 : x
  2. Step 2: Convert to fraction form
    170,808.00/256,367.47 = 90,913.04/x
  3. Step 3: Cross multiply
    170,808.00x = 256,367.47 × 90,913.04
  4. Step 4: Simplify right side
    170,808.00x = 23,307,144,772.97
  5. Step 5: Solve for x
    x = 23,307,144,772.97/170,808.00
  6. Step 6: Final answer
    x = 136,452.31

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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.