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Finding the Fourth Proportional to 75,566.61, 113,350.01 and 28,180.98

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Solution

The fourth proportional to 75,566.61, 113,350.01 and 28,180.98 is: 42,271.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,566.61 : 113,350.01 = 28,180.98 : x
  2. Step 2: Convert to fraction form
    75,566.61/113,350.01 = 28,180.98/x
  3. Step 3: Cross multiply
    75,566.61x = 113,350.01 × 28,180.98
  4. Step 4: Simplify right side
    75,566.61x = 3,194,314,223.90
  5. Step 5: Solve for x
    x = 3,194,314,223.90/75,566.61
  6. Step 6: Final answer
    x = 42,271.50

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.