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Finding the Fourth Proportional to 111,303.52, 166,981.20 and 36,427.36

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Solution

The fourth proportional to 111,303.52, 166,981.20 and 36,427.36 is: 54,649.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,303.52 : 166,981.20 = 36,427.36 : x
  2. Step 2: Convert to fraction form
    111,303.52/166,981.20 = 36,427.36/x
  3. Step 3: Cross multiply
    111,303.52x = 166,981.20 × 36,427.36
  4. Step 4: Simplify right side
    111,303.52x = 6,082,684,285.63
  5. Step 5: Solve for x
    x = 6,082,684,285.63/111,303.52
  6. Step 6: Final answer
    x = 54,649.52

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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.