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Finding the Fourth Proportional to 295,988.16, 443,804.65 and 135,863.76

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Solution

The fourth proportional to 295,988.16, 443,804.65 and 135,863.76 is: 203,714.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,988.16 : 443,804.65 = 135,863.76 : x
  2. Step 2: Convert to fraction form
    295,988.16/443,804.65 = 135,863.76/x
  3. Step 3: Cross multiply
    295,988.16x = 443,804.65 × 135,863.76
  4. Step 4: Simplify right side
    295,988.16x = 60,296,968,454.48
  5. Step 5: Solve for x
    x = 60,296,968,454.48/295,988.16
  6. Step 6: Final answer
    x = 203,714.12

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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.