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Finding the Fourth Proportional to 248,878.92, 373,392.18 and 99,033.78

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Solution

The fourth proportional to 248,878.92, 373,392.18 and 99,033.78 is: 148,580.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,878.92 : 373,392.18 = 99,033.78 : x
  2. Step 2: Convert to fraction form
    248,878.92/373,392.18 = 99,033.78/x
  3. Step 3: Cross multiply
    248,878.92x = 373,392.18 × 99,033.78
  4. Step 4: Simplify right side
    248,878.92x = 36,978,439,007.84
  5. Step 5: Solve for x
    x = 36,978,439,007.84/248,878.92
  6. Step 6: Final answer
    x = 148,580.04

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1.5x scale

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.