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Finding the Fourth Proportional to 101,860.86, 140,569.53 and 55,924.29

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Solution

The fourth proportional to 101,860.86, 140,569.53 and 55,924.29 is: 77,176.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,860.86 : 140,569.53 = 55,924.29 : x
  2. Step 2: Convert to fraction form
    101,860.86/140,569.53 = 55,924.29/x
  3. Step 3: Cross multiply
    101,860.86x = 140,569.53 × 55,924.29
  4. Step 4: Simplify right side
    101,860.86x = 7,861,251,160.88
  5. Step 5: Solve for x
    x = 7,861,251,160.88/101,860.86
  6. Step 6: Final answer
    x = 77,176.37

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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.