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Finding the Fourth Proportional to 267,706.76, 401,637.90 and 127,583.24

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Solution

The fourth proportional to 267,706.76, 401,637.90 and 127,583.24 is: 191,411.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,706.76 : 401,637.90 = 127,583.24 : x
  2. Step 2: Convert to fraction form
    267,706.76/401,637.90 = 127,583.24/x
  3. Step 3: Cross multiply
    267,706.76x = 401,637.90 × 127,583.24
  4. Step 4: Simplify right side
    267,706.76x = 51,242,264,588.80
  5. Step 5: Solve for x
    x = 51,242,264,588.80/267,706.76
  6. Step 6: Final answer
    x = 191,411.92

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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.