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Finding the Fourth Proportional to 118,148.72, 177,223.08 and 35,042

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Solution

The fourth proportional to 118,148.72, 177,223.08 and 35,042 is: 52,563

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,148.72 : 177,223.08 = 35,042 : x
  2. Step 2: Convert to fraction form
    118,148.72/177,223.08 = 35,042/x
  3. Step 3: Cross multiply
    118,148.72x = 177,223.08 × 35,042
  4. Step 4: Simplify right side
    118,148.72x = 6,210,251,169.36
  5. Step 5: Solve for x
    x = 6,210,251,169.36/118,148.72
  6. Step 6: Final answer
    x = 52,563

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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.