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Finding the Fourth Proportional to 247,062.76, 340,946.62 and 133,885.51

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Solution

The fourth proportional to 247,062.76, 340,946.62 and 133,885.51 is: 184,762.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,062.76 : 340,946.62 = 133,885.51 : x
  2. Step 2: Convert to fraction form
    247,062.76/340,946.62 = 133,885.51/x
  3. Step 3: Cross multiply
    247,062.76x = 340,946.62 × 133,885.51
  4. Step 4: Simplify right side
    247,062.76x = 45,647,810,914.40
  5. Step 5: Solve for x
    x = 45,647,810,914.40/247,062.76
  6. Step 6: Final answer
    x = 184,762.01

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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.