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Finding the Fourth Proportional to 340,048.71, 510,101.63 and 103,393.44

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Solution

The fourth proportional to 340,048.71, 510,101.63 and 103,393.44 is: 155,098.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,048.71 : 510,101.63 = 103,393.44 : x
  2. Step 2: Convert to fraction form
    340,048.71/510,101.63 = 103,393.44/x
  3. Step 3: Cross multiply
    340,048.71x = 510,101.63 × 103,393.44
  4. Step 4: Simplify right side
    340,048.71x = 52,741,161,758.34
  5. Step 5: Solve for x
    x = 52,741,161,758.34/340,048.71
  6. Step 6: Final answer
    x = 155,098.84

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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.