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Finding the Fourth Proportional to 74,763, 112,000.59 and 58,884.03

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Solution

The fourth proportional to 74,763, 112,000.59 and 58,884.03 is: 88,212.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,763 : 112,000.59 = 58,884.03 : x
  2. Step 2: Convert to fraction form
    74,763/112,000.59 = 58,884.03/x
  3. Step 3: Cross multiply
    74,763x = 112,000.59 × 58,884.03
  4. Step 4: Simplify right side
    74,763x = 6,595,046,101.58
  5. Step 5: Solve for x
    x = 6,595,046,101.58/74,763
  6. Step 6: Final answer
    x = 88,212.70

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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.