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Finding the Fourth Proportional to 242,364.18, 334,376 and 140,333.94

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Solution

The fourth proportional to 242,364.18, 334,376 and 140,333.94 is: 193,610.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,364.18 : 334,376 = 140,333.94 : x
  2. Step 2: Convert to fraction form
    242,364.18/334,376 = 140,333.94/x
  3. Step 3: Cross multiply
    242,364.18x = 334,376 × 140,333.94
  4. Step 4: Simplify right side
    242,364.18x = 46,924,301,521.44
  5. Step 5: Solve for x
    x = 46,924,301,521.44/242,364.18
  6. Step 6: Final answer
    x = 193,610.71

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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.