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Finding the Fourth Proportional to 70,340.93, 105,512.52 and 22,955.84

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Solution

The fourth proportional to 70,340.93, 105,512.52 and 22,955.84 is: 34,434.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,340.93 : 105,512.52 = 22,955.84 : x
  2. Step 2: Convert to fraction form
    70,340.93/105,512.52 = 22,955.84/x
  3. Step 3: Cross multiply
    70,340.93x = 105,512.52 × 22,955.84
  4. Step 4: Simplify right side
    70,340.93x = 2,422,128,527.12
  5. Step 5: Solve for x
    x = 2,422,128,527.12/70,340.93
  6. Step 6: Final answer
    x = 34,434.13

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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.