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Finding the Fourth Proportional to 73,379.93, 109,831.14 and 40,017.24

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Solution

The fourth proportional to 73,379.93, 109,831.14 and 40,017.24 is: 59,895.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,379.93 : 109,831.14 = 40,017.24 : x
  2. Step 2: Convert to fraction form
    73,379.93/109,831.14 = 40,017.24/x
  3. Step 3: Cross multiply
    73,379.93x = 109,831.14 × 40,017.24
  4. Step 4: Simplify right side
    73,379.93x = 4,395,139,088.85
  5. Step 5: Solve for x
    x = 4,395,139,088.85/73,379.93
  6. Step 6: Final answer
    x = 59,895.66

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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.