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Finding the Fourth Proportional to 139,262.02, 192,182.01 and 75,599.86

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Solution

The fourth proportional to 139,262.02, 192,182.01 and 75,599.86 is: 104,328.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,262.02 : 192,182.01 = 75,599.86 : x
  2. Step 2: Convert to fraction form
    139,262.02/192,182.01 = 75,599.86/x
  3. Step 3: Cross multiply
    139,262.02x = 192,182.01 × 75,599.86
  4. Step 4: Simplify right side
    139,262.02x = 14,528,933,050.52
  5. Step 5: Solve for x
    x = 14,528,933,050.52/139,262.02
  6. Step 6: Final answer
    x = 104,328.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.