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Finding the Fourth Proportional to 93,551.40, 140,388.54 and 34,387.56

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Solution

The fourth proportional to 93,551.40, 140,388.54 and 34,387.56 is: 51,603.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,551.40 : 140,388.54 = 34,387.56 : x
  2. Step 2: Convert to fraction form
    93,551.40/140,388.54 = 34,387.56/x
  3. Step 3: Cross multiply
    93,551.40x = 140,388.54 × 34,387.56
  4. Step 4: Simplify right side
    93,551.40x = 4,827,619,342.56
  5. Step 5: Solve for x
    x = 4,827,619,342.56/93,551.40
  6. Step 6: Final answer
    x = 51,603.92

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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.