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Finding the Fourth Proportional to 250,518.77, 345,737.66 and 137,363.39

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Solution

The fourth proportional to 250,518.77, 345,737.66 and 137,363.39 is: 189,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,518.77 : 345,737.66 = 137,363.39 : x
  2. Step 2: Convert to fraction form
    250,518.77/345,737.66 = 137,363.39/x
  3. Step 3: Cross multiply
    250,518.77x = 345,737.66 × 137,363.39
  4. Step 4: Simplify right side
    250,518.77x = 47,491,694,612.76
  5. Step 5: Solve for x
    x = 47,491,694,612.76/250,518.77
  6. Step 6: Final answer
    x = 189,573.40

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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.