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Finding the Fourth Proportional to 70,460.60, 105,624.72 and 23,680.76

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Solution

The fourth proportional to 70,460.60, 105,624.72 and 23,680.76 is: 35,498.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,460.60 : 105,624.72 = 23,680.76 : x
  2. Step 2: Convert to fraction form
    70,460.60/105,624.72 = 23,680.76/x
  3. Step 3: Cross multiply
    70,460.60x = 105,624.72 × 23,680.76
  4. Step 4: Simplify right side
    70,460.60x = 2,501,273,644.39
  5. Step 5: Solve for x
    x = 2,501,273,644.39/70,460.60
  6. Step 6: Final answer
    x = 35,498.90

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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.