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Finding the Fourth Proportional to 118,330, 177,520.92 and 44,458

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Solution

The fourth proportional to 118,330, 177,520.92 and 44,458 is: 66,696.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,330 : 177,520.92 = 44,458 : x
  2. Step 2: Convert to fraction form
    118,330/177,520.92 = 44,458/x
  3. Step 3: Cross multiply
    118,330x = 177,520.92 × 44,458
  4. Step 4: Simplify right side
    118,330x = 7,892,225,061.36
  5. Step 5: Solve for x
    x = 7,892,225,061.36/118,330
  6. Step 6: Final answer
    x = 66,696.74

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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.