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Finding the Fourth Proportional to 70,907.36, 97,857.00 and 43,323.83

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Solution

The fourth proportional to 70,907.36, 97,857.00 and 43,323.83 is: 59,789.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,907.36 : 97,857.00 = 43,323.83 : x
  2. Step 2: Convert to fraction form
    70,907.36/97,857.00 = 43,323.83/x
  3. Step 3: Cross multiply
    70,907.36x = 97,857.00 × 43,323.83
  4. Step 4: Simplify right side
    70,907.36x = 4,239,540,561.97
  5. Step 5: Solve for x
    x = 4,239,540,561.97/70,907.36
  6. Step 6: Final answer
    x = 59,789.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.