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Finding the Fourth Proportional to 118,688.52, 177,975.33 and 43,843.92

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Solution

The fourth proportional to 118,688.52, 177,975.33 and 43,843.92 is: 65,744.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,688.52 : 177,975.33 = 43,843.92 : x
  2. Step 2: Convert to fraction form
    118,688.52/177,975.33 = 43,843.92/x
  3. Step 3: Cross multiply
    118,688.52x = 177,975.33 × 43,843.92
  4. Step 4: Simplify right side
    118,688.52x = 7,803,136,130.49
  5. Step 5: Solve for x
    x = 7,803,136,130.49/118,688.52
  6. Step 6: Final answer
    x = 65,744.66

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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.