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Finding the Fourth Proportional to 175,137.76, 262,703.82 and 118,837.84

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Solution

The fourth proportional to 175,137.76, 262,703.82 and 118,837.84 is: 178,254.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,137.76 : 262,703.82 = 118,837.84 : x
  2. Step 2: Convert to fraction form
    175,137.76/262,703.82 = 118,837.84/x
  3. Step 3: Cross multiply
    175,137.76x = 262,703.82 × 118,837.84
  4. Step 4: Simplify right side
    175,137.76x = 31,219,154,528.55
  5. Step 5: Solve for x
    x = 31,219,154,528.55/175,137.76
  6. Step 6: Final answer
    x = 178,254.85

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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.