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Finding the Fourth Proportional to 111,420.61, 167,133.65 and 36,537.73

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Solution

The fourth proportional to 111,420.61, 167,133.65 and 36,537.73 is: 54,807.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,420.61 : 167,133.65 = 36,537.73 : x
  2. Step 2: Convert to fraction form
    111,420.61/167,133.65 = 36,537.73/x
  3. Step 3: Cross multiply
    111,420.61x = 167,133.65 × 36,537.73
  4. Step 4: Simplify right side
    111,420.61x = 6,106,684,177.61
  5. Step 5: Solve for x
    x = 6,106,684,177.61/111,420.61
  6. Step 6: Final answer
    x = 54,807.49

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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.