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Finding the Fourth Proportional to 70,134.57, 105,201.81 and 17,544.02

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Solution

The fourth proportional to 70,134.57, 105,201.81 and 17,544.02 is: 26,316.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,134.57 : 105,201.81 = 17,544.02 : x
  2. Step 2: Convert to fraction form
    70,134.57/105,201.81 = 17,544.02/x
  3. Step 3: Cross multiply
    70,134.57x = 105,201.81 × 17,544.02
  4. Step 4: Simplify right side
    70,134.57x = 1,845,662,132.67
  5. Step 5: Solve for x
    x = 1,845,662,132.67/70,134.57
  6. Step 6: Final answer
    x = 26,316.01

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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.