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Finding the Fourth Proportional to 181,485.80, 272,284.08 and 92,801.60

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Solution

The fourth proportional to 181,485.80, 272,284.08 and 92,801.60 is: 139,230.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,485.80 : 272,284.08 = 92,801.60 : x
  2. Step 2: Convert to fraction form
    181,485.80/272,284.08 = 92,801.60/x
  3. Step 3: Cross multiply
    181,485.80x = 272,284.08 × 92,801.60
  4. Step 4: Simplify right side
    181,485.80x = 25,268,398,278.53
  5. Step 5: Solve for x
    x = 25,268,398,278.53/181,485.80
  6. Step 6: Final answer
    x = 139,230.72

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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.