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Finding the Fourth Proportional to 118,572.61, 177,859.22 and 48,451.92

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Solution

The fourth proportional to 118,572.61, 177,859.22 and 48,451.92 is: 72,678.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,572.61 : 177,859.22 = 48,451.92 : x
  2. Step 2: Convert to fraction form
    118,572.61/177,859.22 = 48,451.92/x
  3. Step 3: Cross multiply
    118,572.61x = 177,859.22 × 48,451.92
  4. Step 4: Simplify right side
    118,572.61x = 8,617,620,698.70
  5. Step 5: Solve for x
    x = 8,617,620,698.70/118,572.61
  6. Step 6: Final answer
    x = 72,678.00

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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.