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Finding the Fourth Proportional to 118,096.20, 177,030.90 and 39,169.80

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Solution

The fourth proportional to 118,096.20, 177,030.90 and 39,169.80 is: 58,717.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,096.20 : 177,030.90 = 39,169.80 : x
  2. Step 2: Convert to fraction form
    118,096.20/177,030.90 = 39,169.80/x
  3. Step 3: Cross multiply
    118,096.20x = 177,030.90 × 39,169.80
  4. Step 4: Simplify right side
    118,096.20x = 6,934,264,946.82
  5. Step 5: Solve for x
    x = 6,934,264,946.82/118,096.20
  6. Step 6: Final answer
    x = 58,717.09

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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.