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Finding the Fourth Proportional to 171,008.90, 235,983.05 and 94,523.43

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Solution

The fourth proportional to 171,008.90, 235,983.05 and 94,523.43 is: 130,437.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,008.90 : 235,983.05 = 94,523.43 : x
  2. Step 2: Convert to fraction form
    171,008.90/235,983.05 = 94,523.43/x
  3. Step 3: Cross multiply
    171,008.90x = 235,983.05 × 94,523.43
  4. Step 4: Simplify right side
    171,008.90x = 22,305,927,307.86
  5. Step 5: Solve for x
    x = 22,305,927,307.86/171,008.90
  6. Step 6: Final answer
    x = 130,437.23

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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.