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Finding the Fourth Proportional to 100,614.84, 150,978.90 and 92,683.32

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Solution

The fourth proportional to 100,614.84, 150,978.90 and 92,683.32 is: 139,077.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,614.84 : 150,978.90 = 92,683.32 : x
  2. Step 2: Convert to fraction form
    100,614.84/150,978.90 = 92,683.32/x
  3. Step 3: Cross multiply
    100,614.84x = 150,978.90 × 92,683.32
  4. Step 4: Simplify right side
    100,614.84x = 13,993,225,701.95
  5. Step 5: Solve for x
    x = 13,993,225,701.95/100,614.84
  6. Step 6: Final answer
    x = 139,077.16

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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.