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Finding the Fourth Proportional to 295,665.60, 443,814.06 and 127,269.30

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Solution

The fourth proportional to 295,665.60, 443,814.06 and 127,269.30 is: 191,039.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,665.60 : 443,814.06 = 127,269.30 : x
  2. Step 2: Convert to fraction form
    295,665.60/443,814.06 = 127,269.30/x
  3. Step 3: Cross multiply
    295,665.60x = 443,814.06 × 127,269.30
  4. Step 4: Simplify right side
    295,665.60x = 56,483,904,746.36
  5. Step 5: Solve for x
    x = 56,483,904,746.36/295,665.60
  6. Step 6: Final answer
    x = 191,039.83

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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.