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Finding the Fourth Proportional to 70,296.78, 105,425.02 and 22,916.01

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Solution

The fourth proportional to 70,296.78, 105,425.02 and 22,916.01 is: 34,367.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,296.78 : 105,425.02 = 22,916.01 : x
  2. Step 2: Convert to fraction form
    70,296.78/105,425.02 = 22,916.01/x
  3. Step 3: Cross multiply
    70,296.78x = 105,425.02 × 22,916.01
  4. Step 4: Simplify right side
    70,296.78x = 2,415,920,824.02
  5. Step 5: Solve for x
    x = 2,415,920,824.02/70,296.78
  6. Step 6: Final answer
    x = 34,367.45

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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.