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Finding the Fourth Proportional to 340,046.84, 510,098.81 and 103,391.57

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Solution

The fourth proportional to 340,046.84, 510,098.81 and 103,391.57 is: 155,096.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,046.84 : 510,098.81 = 103,391.57 : x
  2. Step 2: Convert to fraction form
    340,046.84/510,098.81 = 103,391.57/x
  3. Step 3: Cross multiply
    340,046.84x = 510,098.81 × 103,391.57
  4. Step 4: Simplify right side
    340,046.84x = 52,739,913,753.58
  5. Step 5: Solve for x
    x = 52,739,913,753.58/340,046.84
  6. Step 6: Final answer
    x = 155,096.03

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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.