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Finding the Fourth Proportional to 139,224.54, 192,130.01 and 75,562.37

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Solution

The fourth proportional to 139,224.54, 192,130.01 and 75,562.37 is: 104,276.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,224.54 : 192,130.01 = 75,562.37 : x
  2. Step 2: Convert to fraction form
    139,224.54/192,130.01 = 75,562.37/x
  3. Step 3: Cross multiply
    139,224.54x = 192,130.01 × 75,562.37
  4. Step 4: Simplify right side
    139,224.54x = 14,517,797,565.26
  5. Step 5: Solve for x
    x = 14,517,797,565.26/139,224.54
  6. Step 6: Final answer
    x = 104,276.14

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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.