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Finding the Fourth Proportional to 56,062.78, 83,926.26 and 54,068.95

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Solution

The fourth proportional to 56,062.78, 83,926.26 and 54,068.95 is: 80,941.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,062.78 : 83,926.26 = 54,068.95 : x
  2. Step 2: Convert to fraction form
    56,062.78/83,926.26 = 54,068.95/x
  3. Step 3: Cross multiply
    56,062.78x = 83,926.26 × 54,068.95
  4. Step 4: Simplify right side
    56,062.78x = 4,537,804,755.63
  5. Step 5: Solve for x
    x = 4,537,804,755.63/56,062.78
  6. Step 6: Final answer
    x = 80,941.49

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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.