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Finding the Fourth Proportional to 318,743.96, 478,004.38 and 94,044.76

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Solution

The fourth proportional to 318,743.96, 478,004.38 and 94,044.76 is: 141,034.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,743.96 : 478,004.38 = 94,044.76 : x
  2. Step 2: Convert to fraction form
    318,743.96/478,004.38 = 94,044.76/x
  3. Step 3: Cross multiply
    318,743.96x = 478,004.38 × 94,044.76
  4. Step 4: Simplify right side
    318,743.96x = 44,953,807,196.05
  5. Step 5: Solve for x
    x = 44,953,807,196.05/318,743.96
  6. Step 6: Final answer
    x = 141,034.22

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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.