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Finding the Fourth Proportional to 73,429.95, 110,158.29 and 48,490.86

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Solution

The fourth proportional to 73,429.95, 110,158.29 and 48,490.86 is: 72,745.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,429.95 : 110,158.29 = 48,490.86 : x
  2. Step 2: Convert to fraction form
    73,429.95/110,158.29 = 48,490.86/x
  3. Step 3: Cross multiply
    73,429.95x = 110,158.29 × 48,490.86
  4. Step 4: Simplify right side
    73,429.95x = 5,341,670,218.23
  5. Step 5: Solve for x
    x = 5,341,670,218.23/73,429.95
  6. Step 6: Final answer
    x = 72,745.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.