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Finding the Fourth Proportional to 154,997.62, 213,997.55 and 94,603.28

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Solution

The fourth proportional to 154,997.62, 213,997.55 and 94,603.28 is: 130,614.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,997.62 : 213,997.55 = 94,603.28 : x
  2. Step 2: Convert to fraction form
    154,997.62/213,997.55 = 94,603.28/x
  3. Step 3: Cross multiply
    154,997.62x = 213,997.55 × 94,603.28
  4. Step 4: Simplify right side
    154,997.62x = 20,244,868,598.96
  5. Step 5: Solve for x
    x = 20,244,868,598.96/154,997.62
  6. Step 6: Final answer
    x = 130,614.06

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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.