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Finding the Fourth Proportional to 73,192.40, 109,714.58 and 28,801.77

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Solution

The fourth proportional to 73,192.40, 109,714.58 and 28,801.77 is: 43,173.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,192.40 : 109,714.58 = 28,801.77 : x
  2. Step 2: Convert to fraction form
    73,192.40/109,714.58 = 28,801.77/x
  3. Step 3: Cross multiply
    73,192.40x = 109,714.58 × 28,801.77
  4. Step 4: Simplify right side
    73,192.40x = 3,159,974,098.81
  5. Step 5: Solve for x
    x = 3,159,974,098.81/73,192.40
  6. Step 6: Final answer
    x = 43,173.53

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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.