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Finding the Fourth Proportional to 243,758.17, 365,661.60 and 91,916.83

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Solution

The fourth proportional to 243,758.17, 365,661.60 and 91,916.83 is: 137,884.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,758.17 : 365,661.60 = 91,916.83 : x
  2. Step 2: Convert to fraction form
    243,758.17/365,661.60 = 91,916.83/x
  3. Step 3: Cross multiply
    243,758.17x = 365,661.60 × 91,916.83
  4. Step 4: Simplify right side
    243,758.17x = 33,610,455,124.73
  5. Step 5: Solve for x
    x = 33,610,455,124.73/243,758.17
  6. Step 6: Final answer
    x = 137,884.43

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1.5x scale

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.