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Finding the Fourth Proportional to 243,060.16, 335,334.42 and 151,173.40

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Solution

The fourth proportional to 243,060.16, 335,334.42 and 151,173.40 is: 208,564.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,060.16 : 335,334.42 = 151,173.40 : x
  2. Step 2: Convert to fraction form
    243,060.16/335,334.42 = 151,173.40/x
  3. Step 3: Cross multiply
    243,060.16x = 335,334.42 × 151,173.40
  4. Step 4: Simplify right side
    243,060.16x = 50,693,644,408.43
  5. Step 5: Solve for x
    x = 50,693,644,408.43/243,060.16
  6. Step 6: Final answer
    x = 208,564.19

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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.