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Finding the Fourth Proportional to 181,569.94, 272,398.65 and 56,910.94

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Solution

The fourth proportional to 181,569.94, 272,398.65 and 56,910.94 is: 85,380.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,569.94 : 272,398.65 = 56,910.94 : x
  2. Step 2: Convert to fraction form
    181,569.94/272,398.65 = 56,910.94/x
  3. Step 3: Cross multiply
    181,569.94x = 272,398.65 × 56,910.94
  4. Step 4: Simplify right side
    181,569.94x = 15,502,462,331.82
  5. Step 5: Solve for x
    x = 15,502,462,331.82/181,569.94
  6. Step 6: Final answer
    x = 85,380.12

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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.