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Finding the Fourth Proportional to 104,390.68, 156,669.03 and 37,849.84

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Solution

The fourth proportional to 104,390.68, 156,669.03 and 37,849.84 is: 56,804.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,390.68 : 156,669.03 = 37,849.84 : x
  2. Step 2: Convert to fraction form
    104,390.68/156,669.03 = 37,849.84/x
  3. Step 3: Cross multiply
    104,390.68x = 156,669.03 × 37,849.84
  4. Step 4: Simplify right side
    104,390.68x = 5,929,897,718.46
  5. Step 5: Solve for x
    x = 5,929,897,718.46/104,390.68
  6. Step 6: Final answer
    x = 56,804.86

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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.