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Finding the Fourth Proportional to 250,261.83, 345,368.34 and 152,144.91

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Solution

The fourth proportional to 250,261.83, 345,368.34 and 152,144.91 is: 209,964.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,261.83 : 345,368.34 = 152,144.91 : x
  2. Step 2: Convert to fraction form
    250,261.83/345,368.34 = 152,144.91/x
  3. Step 3: Cross multiply
    250,261.83x = 345,368.34 × 152,144.91
  4. Step 4: Simplify right side
    250,261.83x = 52,546,035,006.15
  5. Step 5: Solve for x
    x = 52,546,035,006.15/250,261.83
  6. Step 6: Final answer
    x = 209,964.24

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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.