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Finding the Fourth Proportional to 255,499.64, 352,600.40 and 142,322.44

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Solution

The fourth proportional to 255,499.64, 352,600.40 and 142,322.44 is: 196,411.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,499.64 : 352,600.40 = 142,322.44 : x
  2. Step 2: Convert to fraction form
    255,499.64/352,600.40 = 142,322.44/x
  3. Step 3: Cross multiply
    255,499.64x = 352,600.40 × 142,322.44
  4. Step 4: Simplify right side
    255,499.64x = 50,182,949,272.98
  5. Step 5: Solve for x
    x = 50,182,949,272.98/255,499.64
  6. Step 6: Final answer
    x = 196,411.04

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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.