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Finding the Fourth Proportional to 125,936.34, 173,791.80 and 69,347.76

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Solution

The fourth proportional to 125,936.34, 173,791.80 and 69,347.76 is: 95,699.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,936.34 : 173,791.80 = 69,347.76 : x
  2. Step 2: Convert to fraction form
    125,936.34/173,791.80 = 69,347.76/x
  3. Step 3: Cross multiply
    125,936.34x = 173,791.80 × 69,347.76
  4. Step 4: Simplify right side
    125,936.34x = 12,052,072,036.37
  5. Step 5: Solve for x
    x = 12,052,072,036.37/125,936.34
  6. Step 6: Final answer
    x = 95,699.72

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1.5x scale

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.