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Finding the Fourth Proportional to 175,911.58, 242,800.23 and 100,503.82

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Solution

The fourth proportional to 175,911.58, 242,800.23 and 100,503.82 is: 138,719.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,911.58 : 242,800.23 = 100,503.82 : x
  2. Step 2: Convert to fraction form
    175,911.58/242,800.23 = 100,503.82/x
  3. Step 3: Cross multiply
    175,911.58x = 242,800.23 × 100,503.82
  4. Step 4: Simplify right side
    175,911.58x = 24,402,350,611.88
  5. Step 5: Solve for x
    x = 24,402,350,611.88/175,911.58
  6. Step 6: Final answer
    x = 138,719.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.