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Finding the Fourth Proportional to 101,277.06, 139,760.01 and 55,952.70

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Solution

The fourth proportional to 101,277.06, 139,760.01 and 55,952.70 is: 77,213.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,277.06 : 139,760.01 = 55,952.70 : x
  2. Step 2: Convert to fraction form
    101,277.06/139,760.01 = 55,952.70/x
  3. Step 3: Cross multiply
    101,277.06x = 139,760.01 × 55,952.70
  4. Step 4: Simplify right side
    101,277.06x = 7,819,949,911.53
  5. Step 5: Solve for x
    x = 7,819,949,911.53/101,277.06
  6. Step 6: Final answer
    x = 77,213.44

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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.