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Finding the Fourth Proportional to 70,405.01, 104,979.50 and 62,581.01

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Solution

The fourth proportional to 70,405.01, 104,979.50 and 62,581.01 is: 93,313.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,405.01 : 104,979.50 = 62,581.01 : x
  2. Step 2: Convert to fraction form
    70,405.01/104,979.50 = 62,581.01/x
  3. Step 3: Cross multiply
    70,405.01x = 104,979.50 × 62,581.01
  4. Step 4: Simplify right side
    70,405.01x = 6,569,722,301.49
  5. Step 5: Solve for x
    x = 6,569,722,301.49/70,405.01
  6. Step 6: Final answer
    x = 93,313.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.