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Finding the Fourth Proportional to 250,083.32, 345,114.95 and 136,906.07

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Solution

The fourth proportional to 250,083.32, 345,114.95 and 136,906.07 is: 188,930.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,083.32 : 345,114.95 = 136,906.07 : x
  2. Step 2: Convert to fraction form
    250,083.32/345,114.95 = 136,906.07/x
  3. Step 3: Cross multiply
    250,083.32x = 345,114.95 × 136,906.07
  4. Step 4: Simplify right side
    250,083.32x = 47,248,329,092.64
  5. Step 5: Solve for x
    x = 47,248,329,092.64/250,083.32
  6. Step 6: Final answer
    x = 188,930.35

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1.5x scale

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.