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Finding the Fourth Proportional to 370,184.66, 555,310.88 and 103,943.38

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Solution

The fourth proportional to 370,184.66, 555,310.88 and 103,943.38 is: 155,924.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,184.66 : 555,310.88 = 103,943.38 : x
  2. Step 2: Convert to fraction form
    370,184.66/555,310.88 = 103,943.38/x
  3. Step 3: Cross multiply
    370,184.66x = 555,310.88 × 103,943.38
  4. Step 4: Simplify right side
    370,184.66x = 57,720,889,817.97
  5. Step 5: Solve for x
    x = 57,720,889,817.97/370,184.66
  6. Step 6: Final answer
    x = 155,924.58

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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.