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Finding the Fourth Proportional to 118,592.46, 177,947.14 and 55,416.94

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Solution

The fourth proportional to 118,592.46, 177,947.14 and 55,416.94 is: 83,152.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,592.46 : 177,947.14 = 55,416.94 : x
  2. Step 2: Convert to fraction form
    118,592.46/177,947.14 = 55,416.94/x
  3. Step 3: Cross multiply
    118,592.46x = 177,947.14 × 55,416.94
  4. Step 4: Simplify right side
    118,592.46x = 9,861,286,502.00
  5. Step 5: Solve for x
    x = 9,861,286,502.00/118,592.46
  6. Step 6: Final answer
    x = 83,152.73

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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.