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Finding the Fourth Proportional to 171,009.40, 235,983.74 and 94,523.93

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Solution

The fourth proportional to 171,009.40, 235,983.74 and 94,523.93 is: 130,437.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,009.40 : 235,983.74 = 94,523.93 : x
  2. Step 2: Convert to fraction form
    171,009.40/235,983.74 = 94,523.93/x
  3. Step 3: Cross multiply
    171,009.40x = 235,983.74 × 94,523.93
  4. Step 4: Simplify right side
    171,009.40x = 22,306,110,520.90
  5. Step 5: Solve for x
    x = 22,306,110,520.90/171,009.40
  6. Step 6: Final answer
    x = 130,437.92

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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.