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Finding the Fourth Proportional to 70,168.16, 105,250.76 and 22,783.20

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Solution

The fourth proportional to 70,168.16, 105,250.76 and 22,783.20 is: 34,174.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,168.16 : 105,250.76 = 22,783.20 : x
  2. Step 2: Convert to fraction form
    70,168.16/105,250.76 = 22,783.20/x
  3. Step 3: Cross multiply
    70,168.16x = 105,250.76 × 22,783.20
  4. Step 4: Simplify right side
    70,168.16x = 2,397,949,115.23
  5. Step 5: Solve for x
    x = 2,397,949,115.23/70,168.16
  6. Step 6: Final answer
    x = 34,174.32

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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.