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Finding the Fourth Proportional to 253,825.71, 350,241.60 and 157,126.83

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Solution

The fourth proportional to 253,825.71, 350,241.60 and 157,126.83 is: 216,811.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,825.71 : 350,241.60 = 157,126.83 : x
  2. Step 2: Convert to fraction form
    253,825.71/350,241.60 = 157,126.83/x
  3. Step 3: Cross multiply
    253,825.71x = 350,241.60 × 157,126.83
  4. Step 4: Simplify right side
    253,825.71x = 55,032,352,342.13
  5. Step 5: Solve for x
    x = 55,032,352,342.13/253,825.71
  6. Step 6: Final answer
    x = 216,811.58

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1.5x scale

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.