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Finding the Fourth Proportional to 169,494.68, 254,243.43 and 43,135.08

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Solution

The fourth proportional to 169,494.68, 254,243.43 and 43,135.08 is: 64,702.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,494.68 : 254,243.43 = 43,135.08 : x
  2. Step 2: Convert to fraction form
    169,494.68/254,243.43 = 43,135.08/x
  3. Step 3: Cross multiply
    169,494.68x = 254,243.43 × 43,135.08
  4. Step 4: Simplify right side
    169,494.68x = 10,966,810,692.52
  5. Step 5: Solve for x
    x = 10,966,810,692.52/169,494.68
  6. Step 6: Final answer
    x = 64,702.98

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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.