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Finding the Fourth Proportional to 104,140.71, 156,178.73 and 37,572.17

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Solution

The fourth proportional to 104,140.71, 156,178.73 and 37,572.17 is: 56,346.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,140.71 : 156,178.73 = 37,572.17 : x
  2. Step 2: Convert to fraction form
    104,140.71/156,178.73 = 37,572.17/x
  3. Step 3: Cross multiply
    104,140.71x = 156,178.73 × 37,572.17
  4. Step 4: Simplify right side
    104,140.71x = 5,867,973,106.98
  5. Step 5: Solve for x
    x = 5,867,973,106.98/104,140.71
  6. Step 6: Final answer
    x = 56,346.58

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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.