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Finding the Fourth Proportional to 101,597.34, 140,202.75 and 55,656.62

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Solution

The fourth proportional to 101,597.34, 140,202.75 and 55,656.62 is: 76,805.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,597.34 : 140,202.75 = 55,656.62 : x
  2. Step 2: Convert to fraction form
    101,597.34/140,202.75 = 55,656.62/x
  3. Step 3: Cross multiply
    101,597.34x = 140,202.75 × 55,656.62
  4. Step 4: Simplify right side
    101,597.34x = 7,803,210,900.10
  5. Step 5: Solve for x
    x = 7,803,210,900.10/101,597.34
  6. Step 6: Final answer
    x = 76,805.27

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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.