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Finding the Fourth Proportional to 103,424.64, 155,098.64 and 36,847.10

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Solution

The fourth proportional to 103,424.64, 155,098.64 and 36,847.10 is: 55,257.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,424.64 : 155,098.64 = 36,847.10 : x
  2. Step 2: Convert to fraction form
    103,424.64/155,098.64 = 36,847.10/x
  3. Step 3: Cross multiply
    103,424.64x = 155,098.64 × 36,847.10
  4. Step 4: Simplify right side
    103,424.64x = 5,714,935,097.94
  5. Step 5: Solve for x
    x = 5,714,935,097.94/103,424.64
  6. Step 6: Final answer
    x = 55,257.00

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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.