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Finding the Fourth Proportional to 70,384.68, 105,511.41 and 23,604.75

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Solution

The fourth proportional to 70,384.68, 105,511.41 and 23,604.75 is: 35,385.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,384.68 : 105,511.41 = 23,604.75 : x
  2. Step 2: Convert to fraction form
    70,384.68/105,511.41 = 23,604.75/x
  3. Step 3: Cross multiply
    70,384.68x = 105,511.41 × 23,604.75
  4. Step 4: Simplify right side
    70,384.68x = 2,490,570,455.20
  5. Step 5: Solve for x
    x = 2,490,570,455.20/70,384.68
  6. Step 6: Final answer
    x = 35,385.12

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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.