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Finding the Fourth Proportional to 67,088.16, 100,490.04 and 45,928.92

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Solution

The fourth proportional to 67,088.16, 100,490.04 and 45,928.92 is: 68,796.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,088.16 : 100,490.04 = 45,928.92 : x
  2. Step 2: Convert to fraction form
    67,088.16/100,490.04 = 45,928.92/x
  3. Step 3: Cross multiply
    67,088.16x = 100,490.04 × 45,928.92
  4. Step 4: Simplify right side
    67,088.16x = 4,615,399,007.96
  5. Step 5: Solve for x
    x = 4,615,399,007.96/67,088.16
  6. Step 6: Final answer
    x = 68,796.03

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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.