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Finding the Fourth Proportional to 191,308.33, 287,480.36 and 102,625.48

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Solution

The fourth proportional to 191,308.33, 287,480.36 and 102,625.48 is: 154,216.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,308.33 : 287,480.36 = 102,625.48 : x
  2. Step 2: Convert to fraction form
    191,308.33/287,480.36 = 102,625.48/x
  3. Step 3: Cross multiply
    191,308.33x = 287,480.36 × 102,625.48
  4. Step 4: Simplify right side
    191,308.33x = 29,502,809,935.57
  5. Step 5: Solve for x
    x = 29,502,809,935.57/191,308.33
  6. Step 6: Final answer
    x = 154,216.02

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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.