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Finding the Fourth Proportional to 70,207.56, 105,289.47 and 23,449.50

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Solution

The fourth proportional to 70,207.56, 105,289.47 and 23,449.50 is: 35,166.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,207.56 : 105,289.47 = 23,449.50 : x
  2. Step 2: Convert to fraction form
    70,207.56/105,289.47 = 23,449.50/x
  3. Step 3: Cross multiply
    70,207.56x = 105,289.47 × 23,449.50
  4. Step 4: Simplify right side
    70,207.56x = 2,468,985,426.77
  5. Step 5: Solve for x
    x = 2,468,985,426.77/70,207.56
  6. Step 6: Final answer
    x = 35,166.95

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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.