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Finding the Fourth Proportional to 151,855.98, 227,784.78 and 99,596.40

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Solution

The fourth proportional to 151,855.98, 227,784.78 and 99,596.40 is: 149,395.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,855.98 : 227,784.78 = 99,596.40 : x
  2. Step 2: Convert to fraction form
    151,855.98/227,784.78 = 99,596.40/x
  3. Step 3: Cross multiply
    151,855.98x = 227,784.78 × 99,596.40
  4. Step 4: Simplify right side
    151,855.98x = 22,686,544,062.79
  5. Step 5: Solve for x
    x = 22,686,544,062.79/151,855.98
  6. Step 6: Final answer
    x = 149,395.13

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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.