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Finding the Fourth Proportional to 250,506.32, 345,735.65 and 158,633.99

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Solution

The fourth proportional to 250,506.32, 345,735.65 and 158,633.99 is: 218,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,506.32 : 345,735.65 = 158,633.99 : x
  2. Step 2: Convert to fraction form
    250,506.32/345,735.65 = 158,633.99/x
  3. Step 3: Cross multiply
    250,506.32x = 345,735.65 × 158,633.99
  4. Step 4: Simplify right side
    250,506.32x = 54,845,423,122.90
  5. Step 5: Solve for x
    x = 54,845,423,122.90/250,506.32
  6. Step 6: Final answer
    x = 218,938.29

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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.