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Finding the Fourth Proportional to 104,187.92, 156,073.42 and 47,950.96

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Solution

The fourth proportional to 104,187.92, 156,073.42 and 47,950.96 is: 71,830.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,187.92 : 156,073.42 = 47,950.96 : x
  2. Step 2: Convert to fraction form
    104,187.92/156,073.42 = 47,950.96/x
  3. Step 3: Cross multiply
    104,187.92x = 156,073.42 × 47,950.96
  4. Step 4: Simplify right side
    104,187.92x = 7,483,870,319.48
  5. Step 5: Solve for x
    x = 7,483,870,319.48/104,187.92
  6. Step 6: Final answer
    x = 71,830.50

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1.5x scale

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.