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Finding the Fourth Proportional to 243,046.13, 364,586.71 and 93,286.42

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Solution

The fourth proportional to 243,046.13, 364,586.71 and 93,286.42 is: 139,936.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,046.13 : 364,586.71 = 93,286.42 : x
  2. Step 2: Convert to fraction form
    243,046.13/364,586.71 = 93,286.42/x
  3. Step 3: Cross multiply
    243,046.13x = 364,586.71 × 93,286.42
  4. Step 4: Simplify right side
    243,046.13x = 34,010,988,955.48
  5. Step 5: Solve for x
    x = 34,010,988,955.48/243,046.13
  6. Step 6: Final answer
    x = 139,936.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.