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Finding the Fourth Proportional to 111,330.64, 166,960.32 and 36,430.48

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Solution

The fourth proportional to 111,330.64, 166,960.32 and 36,430.48 is: 54,634.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,330.64 : 166,960.32 = 36,430.48 : x
  2. Step 2: Convert to fraction form
    111,330.64/166,960.32 = 36,430.48/x
  3. Step 3: Cross multiply
    111,330.64x = 166,960.32 × 36,430.48
  4. Step 4: Simplify right side
    111,330.64x = 6,082,444,598.55
  5. Step 5: Solve for x
    x = 6,082,444,598.55/111,330.64
  6. Step 6: Final answer
    x = 54,634.06

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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.