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Finding the Fourth Proportional to 181,385.58, 272,078.01 and 48,265.83

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Solution

The fourth proportional to 181,385.58, 272,078.01 and 48,265.83 is: 72,398.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,385.58 : 272,078.01 = 48,265.83 : x
  2. Step 2: Convert to fraction form
    181,385.58/272,078.01 = 48,265.83/x
  3. Step 3: Cross multiply
    181,385.58x = 272,078.01 × 48,265.83
  4. Step 4: Simplify right side
    181,385.58x = 13,132,070,977.40
  5. Step 5: Solve for x
    x = 13,132,070,977.40/181,385.58
  6. Step 6: Final answer
    x = 72,398.65

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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.