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Finding the Fourth Proportional to 101,751.36, 140,425.75 and 59,308.98

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Solution

The fourth proportional to 101,751.36, 140,425.75 and 59,308.98 is: 81,851.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,751.36 : 140,425.75 = 59,308.98 : x
  2. Step 2: Convert to fraction form
    101,751.36/140,425.75 = 59,308.98/x
  3. Step 3: Cross multiply
    101,751.36x = 140,425.75 × 59,308.98
  4. Step 4: Simplify right side
    101,751.36x = 8,328,507,998.24
  5. Step 5: Solve for x
    x = 8,328,507,998.24/101,751.36
  6. Step 6: Final answer
    x = 81,851.56

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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.