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Finding the Fourth Proportional to 111,032, 166,576.80 and 39,952.16

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Solution

The fourth proportional to 111,032, 166,576.80 and 39,952.16 is: 59,938.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,032 : 166,576.80 = 39,952.16 : x
  2. Step 2: Convert to fraction form
    111,032/166,576.80 = 39,952.16/x
  3. Step 3: Cross multiply
    111,032x = 166,576.80 × 39,952.16
  4. Step 4: Simplify right side
    111,032x = 6,655,102,965.89
  5. Step 5: Solve for x
    x = 6,655,102,965.89/111,032
  6. Step 6: Final answer
    x = 59,938.60

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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.