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Finding the Fourth Proportional to 123,476.58, 185,210.66 and 52,353.44

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Solution

The fourth proportional to 123,476.58, 185,210.66 and 52,353.44 is: 78,528.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,476.58 : 185,210.66 = 52,353.44 : x
  2. Step 2: Convert to fraction form
    123,476.58/185,210.66 = 52,353.44/x
  3. Step 3: Cross multiply
    123,476.58x = 185,210.66 × 52,353.44
  4. Step 4: Simplify right side
    123,476.58x = 9,696,413,987.85
  5. Step 5: Solve for x
    x = 9,696,413,987.85/123,476.58
  6. Step 6: Final answer
    x = 78,528.37

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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.