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Finding the Fourth Proportional to 118,509.38, 177,764.07 and 35,403.38

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Solution

The fourth proportional to 118,509.38, 177,764.07 and 35,403.38 is: 53,105.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,509.38 : 177,764.07 = 35,403.38 : x
  2. Step 2: Convert to fraction form
    118,509.38/177,764.07 = 35,403.38/x
  3. Step 3: Cross multiply
    118,509.38x = 177,764.07 × 35,403.38
  4. Step 4: Simplify right side
    118,509.38x = 6,293,448,031.74
  5. Step 5: Solve for x
    x = 6,293,448,031.74/118,509.38
  6. Step 6: Final answer
    x = 53,105.06

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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.