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Finding the Fourth Proportional to 247,418.55, 371,127.83 and 185,210.55

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Solution

The fourth proportional to 247,418.55, 371,127.83 and 185,210.55 is: 277,815.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,418.55 : 371,127.83 = 185,210.55 : x
  2. Step 2: Convert to fraction form
    247,418.55/371,127.83 = 185,210.55/x
  3. Step 3: Cross multiply
    247,418.55x = 371,127.83 × 185,210.55
  4. Step 4: Simplify right side
    247,418.55x = 68,736,788,588.55
  5. Step 5: Solve for x
    x = 68,736,788,588.55/247,418.55
  6. Step 6: Final answer
    x = 277,815.83

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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.