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Finding the Fourth Proportional to 182,987.13, 274,506.94 and 56,638.47

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Solution

The fourth proportional to 182,987.13, 274,506.94 and 56,638.47 is: 84,965.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,987.13 : 274,506.94 = 56,638.47 : x
  2. Step 2: Convert to fraction form
    182,987.13/274,506.94 = 56,638.47/x
  3. Step 3: Cross multiply
    182,987.13x = 274,506.94 × 56,638.47
  4. Step 4: Simplify right side
    182,987.13x = 15,547,653,867.59
  5. Step 5: Solve for x
    x = 15,547,653,867.59/182,987.13
  6. Step 6: Final answer
    x = 84,965.83

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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.