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Finding the Fourth Proportional to 248,432, 372,648.12 and 79,952.32

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Solution

The fourth proportional to 248,432, 372,648.12 and 79,952.32 is: 119,928.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,432 : 372,648.12 = 79,952.32 : x
  2. Step 2: Convert to fraction form
    248,432/372,648.12 = 79,952.32/x
  3. Step 3: Cross multiply
    248,432x = 372,648.12 × 79,952.32
  4. Step 4: Simplify right side
    248,432x = 29,794,081,737.64
  5. Step 5: Solve for x
    x = 29,794,081,737.64/248,432
  6. Step 6: Final answer
    x = 119,928.52

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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.