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Finding the Fourth Proportional to 348,174.92, 521,562.54 and 181,613

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Solution

The fourth proportional to 348,174.92, 521,562.54 and 181,613 is: 272,054.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,174.92 : 521,562.54 = 181,613 : x
  2. Step 2: Convert to fraction form
    348,174.92/521,562.54 = 181,613/x
  3. Step 3: Cross multiply
    348,174.92x = 521,562.54 × 181,613
  4. Step 4: Simplify right side
    348,174.92x = 94,722,537,577.02
  5. Step 5: Solve for x
    x = 94,722,537,577.02/348,174.92
  6. Step 6: Final answer
    x = 272,054.45

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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.