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Finding the Fourth Proportional to 181,468.53, 272,173.64 and 56,809.53

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Solution

The fourth proportional to 181,468.53, 272,173.64 and 56,809.53 is: 85,205.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,468.53 : 272,173.64 = 56,809.53 : x
  2. Step 2: Convert to fraction form
    181,468.53/272,173.64 = 56,809.53/x
  3. Step 3: Cross multiply
    181,468.53x = 272,173.64 × 56,809.53
  4. Step 4: Simplify right side
    181,468.53x = 15,462,056,566.79
  5. Step 5: Solve for x
    x = 15,462,056,566.79/181,468.53
  6. Step 6: Final answer
    x = 85,205.17

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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.