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Finding the Fourth Proportional to 70,548.28, 105,815.94 and 23,801.56

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Solution

The fourth proportional to 70,548.28, 105,815.94 and 23,801.56 is: 35,700.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,548.28 : 105,815.94 = 23,801.56 : x
  2. Step 2: Convert to fraction form
    70,548.28/105,815.94 = 23,801.56/x
  3. Step 3: Cross multiply
    70,548.28x = 105,815.94 × 23,801.56
  4. Step 4: Simplify right side
    70,548.28x = 2,518,584,444.87
  5. Step 5: Solve for x
    x = 2,518,584,444.87/70,548.28
  6. Step 6: Final answer
    x = 35,700.15

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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.