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Finding the Fourth Proportional to 243,522.72, 335,843.78 and 152,887.13

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Solution

The fourth proportional to 243,522.72, 335,843.78 and 152,887.13 is: 210,847.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,522.72 : 335,843.78 = 152,887.13 : x
  2. Step 2: Convert to fraction form
    243,522.72/335,843.78 = 152,887.13/x
  3. Step 3: Cross multiply
    243,522.72x = 335,843.78 × 152,887.13
  4. Step 4: Simplify right side
    243,522.72x = 51,346,191,652.55
  5. Step 5: Solve for x
    x = 51,346,191,652.55/243,522.72
  6. Step 6: Final answer
    x = 210,847.64

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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.