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Finding the Fourth Proportional to 181,317.74, 271,976.60 and 56,658.74

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Solution

The fourth proportional to 181,317.74, 271,976.60 and 56,658.74 is: 84,988.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,317.74 : 271,976.60 = 56,658.74 : x
  2. Step 2: Convert to fraction form
    181,317.74/271,976.60 = 56,658.74/x
  3. Step 3: Cross multiply
    181,317.74x = 271,976.60 × 56,658.74
  4. Step 4: Simplify right side
    181,317.74x = 15,409,850,247.25
  5. Step 5: Solve for x
    x = 15,409,850,247.25/181,317.74
  6. Step 6: Final answer
    x = 84,988.10

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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.