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Finding the Fourth Proportional to 251,302.77, 346,848.26 and 149,308.60

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Solution

The fourth proportional to 251,302.77, 346,848.26 and 149,308.60 is: 206,075.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,302.77 : 346,848.26 = 149,308.60 : x
  2. Step 2: Convert to fraction form
    251,302.77/346,848.26 = 149,308.60/x
  3. Step 3: Cross multiply
    251,302.77x = 346,848.26 × 149,308.60
  4. Step 4: Simplify right side
    251,302.77x = 51,787,428,113.04
  5. Step 5: Solve for x
    x = 51,787,428,113.04/251,302.77
  6. Step 6: Final answer
    x = 206,075.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.