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Finding the Fourth Proportional to 193,378.32, 266,857.94 and 107,332.29

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Solution

The fourth proportional to 193,378.32, 266,857.94 and 107,332.29 is: 148,116.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,378.32 : 266,857.94 = 107,332.29 : x
  2. Step 2: Convert to fraction form
    193,378.32/266,857.94 = 107,332.29/x
  3. Step 3: Cross multiply
    193,378.32x = 266,857.94 × 107,332.29
  4. Step 4: Simplify right side
    193,378.32x = 28,642,474,073.21
  5. Step 5: Solve for x
    x = 28,642,474,073.21/193,378.32
  6. Step 6: Final answer
    x = 148,116.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.