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Finding the Fourth Proportional to 335,777.56, 503,721.06 and 99,144.16

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Solution

The fourth proportional to 335,777.56, 503,721.06 and 99,144.16 is: 148,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,777.56 : 503,721.06 = 99,144.16 : x
  2. Step 2: Convert to fraction form
    335,777.56/503,721.06 = 99,144.16/x
  3. Step 3: Cross multiply
    335,777.56x = 503,721.06 × 99,144.16
  4. Step 4: Simplify right side
    335,777.56x = 49,941,001,368.01
  5. Step 5: Solve for x
    x = 49,941,001,368.01/335,777.56
  6. Step 6: Final answer
    x = 148,732.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.