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Finding the Fourth Proportional to 85,063.02, 127,641.52 and 35,131.50

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Solution

The fourth proportional to 85,063.02, 127,641.52 and 35,131.50 is: 52,716.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,063.02 : 127,641.52 = 35,131.50 : x
  2. Step 2: Convert to fraction form
    85,063.02/127,641.52 = 35,131.50/x
  3. Step 3: Cross multiply
    85,063.02x = 127,641.52 × 35,131.50
  4. Step 4: Simplify right side
    85,063.02x = 4,484,238,059.88
  5. Step 5: Solve for x
    x = 4,484,238,059.88/85,063.02
  6. Step 6: Final answer
    x = 52,716.66

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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.