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Finding the Fourth Proportional to 118,503, 177,754.50 and 35,397

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Solution

The fourth proportional to 118,503, 177,754.50 and 35,397 is: 53,095.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,503 : 177,754.50 = 35,397 : x
  2. Step 2: Convert to fraction form
    118,503/177,754.50 = 35,397/x
  3. Step 3: Cross multiply
    118,503x = 177,754.50 × 35,397
  4. Step 4: Simplify right side
    118,503x = 6,291,976,036.50
  5. Step 5: Solve for x
    x = 6,291,976,036.50/118,503
  6. Step 6: Final answer
    x = 53,095.50

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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.