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Finding the Fourth Proportional to 181,893.60, 272,840.40 and 164,178.90

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Solution

The fourth proportional to 181,893.60, 272,840.40 and 164,178.90 is: 246,268.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,893.60 : 272,840.40 = 164,178.90 : x
  2. Step 2: Convert to fraction form
    181,893.60/272,840.40 = 164,178.90/x
  3. Step 3: Cross multiply
    181,893.60x = 272,840.40 × 164,178.90
  4. Step 4: Simplify right side
    181,893.60x = 44,794,636,747.56
  5. Step 5: Solve for x
    x = 44,794,636,747.56/181,893.60
  6. Step 6: Final answer
    x = 246,268.35

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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.