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Finding the Fourth Proportional to 101,216.43, 139,715.96 and 60,932.07

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Solution

The fourth proportional to 101,216.43, 139,715.96 and 60,932.07 is: 84,108.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,216.43 : 139,715.96 = 60,932.07 : x
  2. Step 2: Convert to fraction form
    101,216.43/139,715.96 = 60,932.07/x
  3. Step 3: Cross multiply
    101,216.43x = 139,715.96 × 60,932.07
  4. Step 4: Simplify right side
    101,216.43x = 8,513,182,350.18
  5. Step 5: Solve for x
    x = 8,513,182,350.18/101,216.43
  6. Step 6: Final answer
    x = 84,108.70

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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.