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Finding the Fourth Proportional to 255,159.07, 352,098.86 and 147,735.90

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Solution

The fourth proportional to 255,159.07, 352,098.86 and 147,735.90 is: 203,863.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,159.07 : 352,098.86 = 147,735.90 : x
  2. Step 2: Convert to fraction form
    255,159.07/352,098.86 = 147,735.90/x
  3. Step 3: Cross multiply
    255,159.07x = 352,098.86 × 147,735.90
  4. Step 4: Simplify right side
    255,159.07x = 52,017,641,232.39
  5. Step 5: Solve for x
    x = 52,017,641,232.39/255,159.07
  6. Step 6: Final answer
    x = 203,863.58

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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.