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Finding the Fourth Proportional to 169,670.20, 254,497.20 and 57,339.40

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Solution

The fourth proportional to 169,670.20, 254,497.20 and 57,339.40 is: 86,006.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,670.20 : 254,497.20 = 57,339.40 : x
  2. Step 2: Convert to fraction form
    169,670.20/254,497.20 = 57,339.40/x
  3. Step 3: Cross multiply
    169,670.20x = 254,497.20 × 57,339.40
  4. Step 4: Simplify right side
    169,670.20x = 14,592,716,749.68
  5. Step 5: Solve for x
    x = 14,592,716,749.68/169,670.20
  6. Step 6: Final answer
    x = 86,006.36

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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.