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Finding the Fourth Proportional to 282,961.92, 424,442.88 and 134,768.64

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Solution

The fourth proportional to 282,961.92, 424,442.88 and 134,768.64 is: 202,152.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,961.92 : 424,442.88 = 134,768.64 : x
  2. Step 2: Convert to fraction form
    282,961.92/424,442.88 = 134,768.64/x
  3. Step 3: Cross multiply
    282,961.92x = 424,442.88 × 134,768.64
  4. Step 4: Simplify right side
    282,961.92x = 57,201,589,695.28
  5. Step 5: Solve for x
    x = 57,201,589,695.28/282,961.92
  6. Step 6: Final answer
    x = 202,152.96

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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.