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Finding the Fourth Proportional to 295,963.68, 443,942.74 and 127,602.96

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Solution

The fourth proportional to 295,963.68, 443,942.74 and 127,602.96 is: 191,403.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,963.68 : 443,942.74 = 127,602.96 : x
  2. Step 2: Convert to fraction form
    295,963.68/443,942.74 = 127,602.96/x
  3. Step 3: Cross multiply
    295,963.68x = 443,942.74 × 127,602.96
  4. Step 4: Simplify right side
    295,963.68x = 56,648,406,189.23
  5. Step 5: Solve for x
    x = 56,648,406,189.23/295,963.68
  6. Step 6: Final answer
    x = 191,403.23

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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.