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Finding the Fourth Proportional to 70,370.65, 105,541.37 and 25,967.04

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Solution

The fourth proportional to 70,370.65, 105,541.37 and 25,967.04 is: 38,945.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,370.65 : 105,541.37 = 25,967.04 : x
  2. Step 2: Convert to fraction form
    70,370.65/105,541.37 = 25,967.04/x
  3. Step 3: Cross multiply
    70,370.65x = 105,541.37 × 25,967.04
  4. Step 4: Simplify right side
    70,370.65x = 2,740,596,750.22
  5. Step 5: Solve for x
    x = 2,740,596,750.22/70,370.65
  6. Step 6: Final answer
    x = 38,945.16

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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.