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Finding the Fourth Proportional to 115,054.64, 158,737.34 and 67,274.16

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Solution

The fourth proportional to 115,054.64, 158,737.34 and 67,274.16 is: 92,816.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,054.64 : 158,737.34 = 67,274.16 : x
  2. Step 2: Convert to fraction form
    115,054.64/158,737.34 = 67,274.16/x
  3. Step 3: Cross multiply
    115,054.64x = 158,737.34 × 67,274.16
  4. Step 4: Simplify right side
    115,054.64x = 10,678,920,872.76
  5. Step 5: Solve for x
    x = 10,678,920,872.76/115,054.64
  6. Step 6: Final answer
    x = 92,816.09

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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.