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Finding the Fourth Proportional to 101,935.74, 140,673.06 and 55,997.32

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Solution

The fourth proportional to 101,935.74, 140,673.06 and 55,997.32 is: 77,277.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,935.74 : 140,673.06 = 55,997.32 : x
  2. Step 2: Convert to fraction form
    101,935.74/140,673.06 = 55,997.32/x
  3. Step 3: Cross multiply
    101,935.74x = 140,673.06 × 55,997.32
  4. Step 4: Simplify right side
    101,935.74x = 7,877,314,004.52
  5. Step 5: Solve for x
    x = 7,877,314,004.52/101,935.74
  6. Step 6: Final answer
    x = 77,277.25

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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.