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Finding the Fourth Proportional to 250,336.95, 375,505.33 and 166,261.26

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Solution

The fourth proportional to 250,336.95, 375,505.33 and 166,261.26 is: 249,391.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,336.95 : 375,505.33 = 166,261.26 : x
  2. Step 2: Convert to fraction form
    250,336.95/375,505.33 = 166,261.26/x
  3. Step 3: Cross multiply
    250,336.95x = 375,505.33 × 166,261.26
  4. Step 4: Simplify right side
    250,336.95x = 62,431,989,302.52
  5. Step 5: Solve for x
    x = 62,431,989,302.52/250,336.95
  6. Step 6: Final answer
    x = 249,391.83

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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.