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Finding the Fourth Proportional to 68,595.84, 102,905.28 and 23,615.40

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Solution

The fourth proportional to 68,595.84, 102,905.28 and 23,615.40 is: 35,427.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,595.84 : 102,905.28 = 23,615.40 : x
  2. Step 2: Convert to fraction form
    68,595.84/102,905.28 = 23,615.40/x
  3. Step 3: Cross multiply
    68,595.84x = 102,905.28 × 23,615.40
  4. Step 4: Simplify right side
    68,595.84x = 2,430,149,349.31
  5. Step 5: Solve for x
    x = 2,430,149,349.31/68,595.84
  6. Step 6: Final answer
    x = 35,427.07

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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.