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Finding the Fourth Proportional to 247,959.97, 342,222.15 and 151,219.94

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Solution

The fourth proportional to 247,959.97, 342,222.15 and 151,219.94 is: 208,706.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,959.97 : 342,222.15 = 151,219.94 : x
  2. Step 2: Convert to fraction form
    247,959.97/342,222.15 = 151,219.94/x
  3. Step 3: Cross multiply
    247,959.97x = 342,222.15 × 151,219.94
  4. Step 4: Simplify right side
    247,959.97x = 51,750,812,989.67
  5. Step 5: Solve for x
    x = 51,750,812,989.67/247,959.97
  6. Step 6: Final answer
    x = 208,706.32

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1.5x scale

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.