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Finding the Fourth Proportional to 375,260.64, 562,893.84 and 109,039.20

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Solution

The fourth proportional to 375,260.64, 562,893.84 and 109,039.20 is: 163,559.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,260.64 : 562,893.84 = 109,039.20 : x
  2. Step 2: Convert to fraction form
    375,260.64/562,893.84 = 109,039.20/x
  3. Step 3: Cross multiply
    375,260.64x = 562,893.84 × 109,039.20
  4. Step 4: Simplify right side
    375,260.64x = 61,377,493,998.53
  5. Step 5: Solve for x
    x = 61,377,493,998.53/375,260.64
  6. Step 6: Final answer
    x = 163,559.64

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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.