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Finding the Fourth Proportional to 267,669.12, 401,602.08 and 109,855.20

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Solution

The fourth proportional to 267,669.12, 401,602.08 and 109,855.20 is: 164,823.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,669.12 : 401,602.08 = 109,855.20 : x
  2. Step 2: Convert to fraction form
    267,669.12/401,602.08 = 109,855.20/x
  3. Step 3: Cross multiply
    267,669.12x = 401,602.08 × 109,855.20
  4. Step 4: Simplify right side
    267,669.12x = 44,118,076,818.82
  5. Step 5: Solve for x
    x = 44,118,076,818.82/267,669.12
  6. Step 6: Final answer
    x = 164,823.18

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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.