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Finding the Fourth Proportional to 111,992.12, 168,004 and 41,864.76

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Solution

The fourth proportional to 111,992.12, 168,004 and 41,864.76 is: 62,803.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,992.12 : 168,004 = 41,864.76 : x
  2. Step 2: Convert to fraction form
    111,992.12/168,004 = 41,864.76/x
  3. Step 3: Cross multiply
    111,992.12x = 168,004 × 41,864.76
  4. Step 4: Simplify right side
    111,992.12x = 7,033,447,139.04
  5. Step 5: Solve for x
    x = 7,033,447,139.04/111,992.12
  6. Step 6: Final answer
    x = 62,803.05

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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.