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Finding the Fourth Proportional to 295,152.74, 442,873.65 and 126,623.20

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Solution

The fourth proportional to 295,152.74, 442,873.65 and 126,623.20 is: 189,996.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,152.74 : 442,873.65 = 126,623.20 : x
  2. Step 2: Convert to fraction form
    295,152.74/442,873.65 = 126,623.20/x
  3. Step 3: Cross multiply
    295,152.74x = 442,873.65 × 126,623.20
  4. Step 4: Simplify right side
    295,152.74x = 56,078,078,600.59
  5. Step 5: Solve for x
    x = 56,078,078,600.59/295,152.74
  6. Step 6: Final answer
    x = 189,996.81

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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.