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Finding the Fourth Proportional to 267,973.07, 401,437.13 and 149,287.01

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Solution

The fourth proportional to 267,973.07, 401,437.13 and 149,287.01 is: 223,639.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,973.07 : 401,437.13 = 149,287.01 : x
  2. Step 2: Convert to fraction form
    267,973.07/401,437.13 = 149,287.01/x
  3. Step 3: Cross multiply
    267,973.07x = 401,437.13 × 149,287.01
  4. Step 4: Simplify right side
    267,973.07x = 59,929,346,087.06
  5. Step 5: Solve for x
    x = 59,929,346,087.06/267,973.07
  6. Step 6: Final answer
    x = 223,639.44

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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.