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Finding the Fourth Proportional to 93,344.31, 140,015.84 and 55,915.02

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Solution

The fourth proportional to 93,344.31, 140,015.84 and 55,915.02 is: 83,872.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,344.31 : 140,015.84 = 55,915.02 : x
  2. Step 2: Convert to fraction form
    93,344.31/140,015.84 = 55,915.02/x
  3. Step 3: Cross multiply
    93,344.31x = 140,015.84 × 55,915.02
  4. Step 4: Simplify right side
    93,344.31x = 7,828,988,214.34
  5. Step 5: Solve for x
    x = 7,828,988,214.34/93,344.31
  6. Step 6: Final answer
    x = 83,872.15

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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.