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Finding the Fourth Proportional to 250,073.36, 345,101.82 and 136,903.40

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Solution

The fourth proportional to 250,073.36, 345,101.82 and 136,903.40 is: 188,927.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,073.36 : 345,101.82 = 136,903.40 : x
  2. Step 2: Convert to fraction form
    250,073.36/345,101.82 = 136,903.40/x
  3. Step 3: Cross multiply
    250,073.36x = 345,101.82 × 136,903.40
  4. Step 4: Simplify right side
    250,073.36x = 47,245,612,504.19
  5. Step 5: Solve for x
    x = 47,245,612,504.19/250,073.36
  6. Step 6: Final answer
    x = 188,927.01

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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.