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Finding the Fourth Proportional to 247,880.01, 342,072.81 and 134,702.76

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Solution

The fourth proportional to 247,880.01, 342,072.81 and 134,702.76 is: 185,888.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,880.01 : 342,072.81 = 134,702.76 : x
  2. Step 2: Convert to fraction form
    247,880.01/342,072.81 = 134,702.76/x
  3. Step 3: Cross multiply
    247,880.01x = 342,072.81 × 134,702.76
  4. Step 4: Simplify right side
    247,880.01x = 46,078,151,627.96
  5. Step 5: Solve for x
    x = 46,078,151,627.96/247,880.01
  6. Step 6: Final answer
    x = 185,888.94

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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.