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Finding the Fourth Proportional to 191,930.66, 264,855.07 and 104,710.57

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Solution

The fourth proportional to 191,930.66, 264,855.07 and 104,710.57 is: 144,495.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,930.66 : 264,855.07 = 104,710.57 : x
  2. Step 2: Convert to fraction form
    191,930.66/264,855.07 = 104,710.57/x
  3. Step 3: Cross multiply
    191,930.66x = 264,855.07 × 104,710.57
  4. Step 4: Simplify right side
    191,930.66x = 27,733,125,347.09
  5. Step 5: Solve for x
    x = 27,733,125,347.09/191,930.66
  6. Step 6: Final answer
    x = 144,495.55

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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.