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Finding the Fourth Proportional to 104,465.35, 156,679.80 and 37,871.20

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Solution

The fourth proportional to 104,465.35, 156,679.80 and 37,871.20 is: 56,800.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,465.35 : 156,679.80 = 37,871.20 : x
  2. Step 2: Convert to fraction form
    104,465.35/156,679.80 = 37,871.20/x
  3. Step 3: Cross multiply
    104,465.35x = 156,679.80 × 37,871.20
  4. Step 4: Simplify right side
    104,465.35x = 5,933,652,041.76
  5. Step 5: Solve for x
    x = 5,933,652,041.76/104,465.35
  6. Step 6: Final answer
    x = 56,800.19

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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.