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Finding the Fourth Proportional to 70,815.03, 106,156.93 and 35,713.95

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Solution

The fourth proportional to 70,815.03, 106,156.93 and 35,713.95 is: 53,537.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,815.03 : 106,156.93 = 35,713.95 : x
  2. Step 2: Convert to fraction form
    70,815.03/106,156.93 = 35,713.95/x
  3. Step 3: Cross multiply
    70,815.03x = 106,156.93 × 35,713.95
  4. Step 4: Simplify right side
    70,815.03x = 3,791,283,290.17
  5. Step 5: Solve for x
    x = 3,791,283,290.17/70,815.03
  6. Step 6: Final answer
    x = 53,537.83

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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.