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Finding the Fourth Proportional to 374,498.64, 561,664.80 and 108,200.88

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Solution

The fourth proportional to 374,498.64, 561,664.80 and 108,200.88 is: 162,277.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,498.64 : 561,664.80 = 108,200.88 : x
  2. Step 2: Convert to fraction form
    374,498.64/561,664.80 = 108,200.88/x
  3. Step 3: Cross multiply
    374,498.64x = 561,664.80 × 108,200.88
  4. Step 4: Simplify right side
    374,498.64x = 60,772,625,625.02
  5. Step 5: Solve for x
    x = 60,772,625,625.02/374,498.64
  6. Step 6: Final answer
    x = 162,277.29

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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.