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Finding the Fourth Proportional to 169,886.40, 254,670.44 and 57,487.92

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Solution

The fourth proportional to 169,886.40, 254,670.44 and 57,487.92 is: 86,178.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,886.40 : 254,670.44 = 57,487.92 : x
  2. Step 2: Convert to fraction form
    169,886.40/254,670.44 = 57,487.92/x
  3. Step 3: Cross multiply
    169,886.40x = 254,670.44 × 57,487.92
  4. Step 4: Simplify right side
    169,886.40x = 14,640,474,764.24
  5. Step 5: Solve for x
    x = 14,640,474,764.24/169,886.40
  6. Step 6: Final answer
    x = 86,178.03

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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.