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Finding the Fourth Proportional to 101,556.62, 140,146.42 and 56,233.62

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Solution

The fourth proportional to 101,556.62, 140,146.42 and 56,233.62 is: 77,601.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,556.62 : 140,146.42 = 56,233.62 : x
  2. Step 2: Convert to fraction form
    101,556.62/140,146.42 = 56,233.62/x
  3. Step 3: Cross multiply
    101,556.62x = 140,146.42 × 56,233.62
  4. Step 4: Simplify right side
    101,556.62x = 7,880,940,526.64
  5. Step 5: Solve for x
    x = 7,880,940,526.64/101,556.62
  6. Step 6: Final answer
    x = 77,601.45

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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.