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Finding the Fourth Proportional to 70,924.78, 97,875.03 and 39,096.64

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Solution

The fourth proportional to 70,924.78, 97,875.03 and 39,096.64 is: 53,952.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,924.78 : 97,875.03 = 39,096.64 : x
  2. Step 2: Convert to fraction form
    70,924.78/97,875.03 = 39,096.64/x
  3. Step 3: Cross multiply
    70,924.78x = 97,875.03 × 39,096.64
  4. Step 4: Simplify right side
    70,924.78x = 3,826,584,812.90
  5. Step 5: Solve for x
    x = 3,826,584,812.90/70,924.78
  6. Step 6: Final answer
    x = 53,952.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.