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Finding the Fourth Proportional to 111,745.24, 154,208.42 and 61,444.24

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Solution

The fourth proportional to 111,745.24, 154,208.42 and 61,444.24 is: 84,793.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,745.24 : 154,208.42 = 61,444.24 : x
  2. Step 2: Convert to fraction form
    111,745.24/154,208.42 = 61,444.24/x
  3. Step 3: Cross multiply
    111,745.24x = 154,208.42 × 61,444.24
  4. Step 4: Simplify right side
    111,745.24x = 9,475,219,168.50
  5. Step 5: Solve for x
    x = 9,475,219,168.50/111,745.24
  6. Step 6: Final answer
    x = 84,793.05

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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.