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Finding the Fourth Proportional to 117,010.53, 175,530.38 and 38,103.57

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Solution

The fourth proportional to 117,010.53, 175,530.38 and 38,103.57 is: 57,160.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,010.53 : 175,530.38 = 38,103.57 : x
  2. Step 2: Convert to fraction form
    117,010.53/175,530.38 = 38,103.57/x
  3. Step 3: Cross multiply
    117,010.53x = 175,530.38 × 38,103.57
  4. Step 4: Simplify right side
    117,010.53x = 6,688,333,930.94
  5. Step 5: Solve for x
    x = 6,688,333,930.94/117,010.53
  6. Step 6: Final answer
    x = 57,160.10

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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.