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Finding the Fourth Proportional to 111,396.08, 153,724.58 and 62,997.24

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Solution

The fourth proportional to 111,396.08, 153,724.58 and 62,997.24 is: 86,935.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,396.08 : 153,724.58 = 62,997.24 : x
  2. Step 2: Convert to fraction form
    111,396.08/153,724.58 = 62,997.24/x
  3. Step 3: Cross multiply
    111,396.08x = 153,724.58 × 62,997.24
  4. Step 4: Simplify right side
    111,396.08x = 9,684,224,260.16
  5. Step 5: Solve for x
    x = 9,684,224,260.16/111,396.08
  6. Step 6: Final answer
    x = 86,935.05

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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.