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Finding the Fourth Proportional to 72,897.24, 109,098.93 and 44,835.09

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Solution

The fourth proportional to 72,897.24, 109,098.93 and 44,835.09 is: 67,100.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,897.24 : 109,098.93 = 44,835.09 : x
  2. Step 2: Convert to fraction form
    72,897.24/109,098.93 = 44,835.09/x
  3. Step 3: Cross multiply
    72,897.24x = 109,098.93 × 44,835.09
  4. Step 4: Simplify right side
    72,897.24x = 4,891,460,345.45
  5. Step 5: Solve for x
    x = 4,891,460,345.45/72,897.24
  6. Step 6: Final answer
    x = 67,100.76

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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.