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Finding the Fourth Proportional to 235,810.80, 353,493.84 and 117,370.17

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Solution

The fourth proportional to 235,810.80, 353,493.84 and 117,370.17 is: 175,944.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,810.80 : 353,493.84 = 117,370.17 : x
  2. Step 2: Convert to fraction form
    235,810.80/353,493.84 = 117,370.17/x
  3. Step 3: Cross multiply
    235,810.80x = 353,493.84 × 117,370.17
  4. Step 4: Simplify right side
    235,810.80x = 41,489,632,094.75
  5. Step 5: Solve for x
    x = 41,489,632,094.75/235,810.80
  6. Step 6: Final answer
    x = 175,944.58

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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.