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Finding the Fourth Proportional to 228,648.40, 342,972.60 and 62,436.40

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Solution

The fourth proportional to 228,648.40, 342,972.60 and 62,436.40 is: 93,654.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,648.40 : 342,972.60 = 62,436.40 : x
  2. Step 2: Convert to fraction form
    228,648.40/342,972.60 = 62,436.40/x
  3. Step 3: Cross multiply
    228,648.40x = 342,972.60 × 62,436.40
  4. Step 4: Simplify right side
    228,648.40x = 21,413,974,442.64
  5. Step 5: Solve for x
    x = 21,413,974,442.64/228,648.40
  6. Step 6: Final answer
    x = 93,654.60

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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.