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Finding the Fourth Proportional to 170,652.32, 235,390.56 and 103,584.32

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Solution

The fourth proportional to 170,652.32, 235,390.56 and 103,584.32 is: 142,879.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,652.32 : 235,390.56 = 103,584.32 : x
  2. Step 2: Convert to fraction form
    170,652.32/235,390.56 = 103,584.32/x
  3. Step 3: Cross multiply
    170,652.32x = 235,390.56 × 103,584.32
  4. Step 4: Simplify right side
    170,652.32x = 24,382,771,092.02
  5. Step 5: Solve for x
    x = 24,382,771,092.02/170,652.32
  6. Step 6: Final answer
    x = 142,879.81

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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.