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Finding the Fourth Proportional to 247,883.01, 342,076.95 and 134,705.76

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Solution

The fourth proportional to 247,883.01, 342,076.95 and 134,705.76 is: 185,893.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,883.01 : 342,076.95 = 134,705.76 : x
  2. Step 2: Convert to fraction form
    247,883.01/342,076.95 = 134,705.76/x
  3. Step 3: Cross multiply
    247,883.01x = 342,076.95 × 134,705.76
  4. Step 4: Simplify right side
    247,883.01x = 46,079,735,528.23
  5. Step 5: Solve for x
    x = 46,079,735,528.23/247,883.01
  6. Step 6: Final answer
    x = 185,893.08

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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.