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Finding the Fourth Proportional to 295,131.51, 442,790.70 and 105,587.70

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Solution

The fourth proportional to 295,131.51, 442,790.70 and 105,587.70 is: 158,414.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,131.51 : 442,790.70 = 105,587.70 : x
  2. Step 2: Convert to fraction form
    295,131.51/442,790.70 = 105,587.70/x
  3. Step 3: Cross multiply
    295,131.51x = 442,790.70 × 105,587.70
  4. Step 4: Simplify right side
    295,131.51x = 46,753,251,594.39
  5. Step 5: Solve for x
    x = 46,753,251,594.39/295,131.51
  6. Step 6: Final answer
    x = 158,414.98

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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.