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Finding the Fourth Proportional to 93,359.40, 140,013.30 and 25,875.30

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Solution

The fourth proportional to 93,359.40, 140,013.30 and 25,875.30 is: 38,805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,359.40 : 140,013.30 = 25,875.30 : x
  2. Step 2: Convert to fraction form
    93,359.40/140,013.30 = 25,875.30/x
  3. Step 3: Cross multiply
    93,359.40x = 140,013.30 × 25,875.30
  4. Step 4: Simplify right side
    93,359.40x = 3,622,886,141.49
  5. Step 5: Solve for x
    x = 3,622,886,141.49/93,359.40
  6. Step 6: Final answer
    x = 38,805.80

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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.