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Finding the Fourth Proportional to 101,504.01, 140,071.97 and 56,182.08

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Solution

The fourth proportional to 101,504.01, 140,071.97 and 56,182.08 is: 77,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,504.01 : 140,071.97 = 56,182.08 : x
  2. Step 2: Convert to fraction form
    101,504.01/140,071.97 = 56,182.08/x
  3. Step 3: Cross multiply
    101,504.01x = 140,071.97 × 56,182.08
  4. Step 4: Simplify right side
    101,504.01x = 7,869,534,974.00
  5. Step 5: Solve for x
    x = 7,869,534,974.00/101,504.01
  6. Step 6: Final answer
    x = 77,529.30

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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.