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Finding the Fourth Proportional to 250,625.42, 345,858.56 and 141,728.08

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Solution

The fourth proportional to 250,625.42, 345,858.56 and 141,728.08 is: 195,582.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,625.42 : 345,858.56 = 141,728.08 : x
  2. Step 2: Convert to fraction form
    250,625.42/345,858.56 = 141,728.08/x
  3. Step 3: Cross multiply
    250,625.42x = 345,858.56 × 141,728.08
  4. Step 4: Simplify right side
    250,625.42x = 49,017,869,267.04
  5. Step 5: Solve for x
    x = 49,017,869,267.04/250,625.42
  6. Step 6: Final answer
    x = 195,582.20

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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.