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Finding the Fourth Proportional to 70,173.08, 105,260.54 and 23,425.92

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Solution

The fourth proportional to 70,173.08, 105,260.54 and 23,425.92 is: 35,139.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,173.08 : 105,260.54 = 23,425.92 : x
  2. Step 2: Convert to fraction form
    70,173.08/105,260.54 = 23,425.92/x
  3. Step 3: Cross multiply
    70,173.08x = 105,260.54 × 23,425.92
  4. Step 4: Simplify right side
    70,173.08x = 2,465,824,989.20
  5. Step 5: Solve for x
    x = 2,465,824,989.20/70,173.08
  6. Step 6: Final answer
    x = 35,139.19

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1.5x scale

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.