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Finding the Fourth Proportional to 93,685.80, 140,551.22 and 27,130.53

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Solution

The fourth proportional to 93,685.80, 140,551.22 and 27,130.53 is: 40,702.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,685.80 : 140,551.22 = 27,130.53 : x
  2. Step 2: Convert to fraction form
    93,685.80/140,551.22 = 27,130.53/x
  3. Step 3: Cross multiply
    93,685.80x = 140,551.22 × 27,130.53
  4. Step 4: Simplify right side
    93,685.80x = 3,813,229,090.75
  5. Step 5: Solve for x
    x = 3,813,229,090.75/93,685.80
  6. Step 6: Final answer
    x = 40,702.32

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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.