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Finding the Fourth Proportional to 111,655.55, 154,097.90 and 63,924.27

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Solution

The fourth proportional to 111,655.55, 154,097.90 and 63,924.27 is: 88,223.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,655.55 : 154,097.90 = 63,924.27 : x
  2. Step 2: Convert to fraction form
    111,655.55/154,097.90 = 63,924.27/x
  3. Step 3: Cross multiply
    111,655.55x = 154,097.90 × 63,924.27
  4. Step 4: Simplify right side
    111,655.55x = 9,850,595,766.03
  5. Step 5: Solve for x
    x = 9,850,595,766.03/111,655.55
  6. Step 6: Final answer
    x = 88,223.07

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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.