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Finding the Fourth Proportional to 101,600.37, 140,202.34 and 56,275.71

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Solution

The fourth proportional to 101,600.37, 140,202.34 and 56,275.71 is: 77,657.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,600.37 : 140,202.34 = 56,275.71 : x
  2. Step 2: Convert to fraction form
    101,600.37/140,202.34 = 56,275.71/x
  3. Step 3: Cross multiply
    101,600.37x = 140,202.34 × 56,275.71
  4. Step 4: Simplify right side
    101,600.37x = 7,889,986,227.16
  5. Step 5: Solve for x
    x = 7,889,986,227.16/101,600.37
  6. Step 6: Final answer
    x = 77,657.06

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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.