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Finding the Fourth Proportional to 247,790.74, 342,005.64 and 162,915.70

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Solution

The fourth proportional to 247,790.74, 342,005.64 and 162,915.70 is: 224,859.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,790.74 : 342,005.64 = 162,915.70 : x
  2. Step 2: Convert to fraction form
    247,790.74/342,005.64 = 162,915.70/x
  3. Step 3: Cross multiply
    247,790.74x = 342,005.64 × 162,915.70
  4. Step 4: Simplify right side
    247,790.74x = 55,718,088,244.55
  5. Step 5: Solve for x
    x = 55,718,088,244.55/247,790.74
  6. Step 6: Final answer
    x = 224,859.44

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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.