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Finding the Fourth Proportional to 242,633.25, 334,835.21 and 140,719.14

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Solution

The fourth proportional to 242,633.25, 334,835.21 and 140,719.14 is: 194,193.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,633.25 : 334,835.21 = 140,719.14 : x
  2. Step 2: Convert to fraction form
    242,633.25/334,835.21 = 140,719.14/x
  3. Step 3: Cross multiply
    242,633.25x = 334,835.21 × 140,719.14
  4. Step 4: Simplify right side
    242,633.25x = 47,117,722,089.32
  5. Step 5: Solve for x
    x = 47,117,722,089.32/242,633.25
  6. Step 6: Final answer
    x = 194,193.18

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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.