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Finding the Fourth Proportional to 340,047.69, 510,053.04 and 103,371.90

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Solution

The fourth proportional to 340,047.69, 510,053.04 and 103,371.90 is: 155,052.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,047.69 : 510,053.04 = 103,371.90 : x
  2. Step 2: Convert to fraction form
    340,047.69/510,053.04 = 103,371.90/x
  3. Step 3: Cross multiply
    340,047.69x = 510,053.04 × 103,371.90
  4. Step 4: Simplify right side
    340,047.69x = 52,725,151,845.58
  5. Step 5: Solve for x
    x = 52,725,151,845.58/340,047.69
  6. Step 6: Final answer
    x = 155,052.23

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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.