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Finding the Fourth Proportional to 360,633.83, 540,925.16 and 123,971.27

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Solution

The fourth proportional to 360,633.83, 540,925.16 and 123,971.27 is: 185,948.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,633.83 : 540,925.16 = 123,971.27 : x
  2. Step 2: Convert to fraction form
    360,633.83/540,925.16 = 123,971.27/x
  3. Step 3: Cross multiply
    360,633.83x = 540,925.16 × 123,971.27
  4. Step 4: Simplify right side
    360,633.83x = 67,059,175,735.67
  5. Step 5: Solve for x
    x = 67,059,175,735.67/360,633.83
  6. Step 6: Final answer
    x = 185,948.10

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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.