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Finding the Fourth Proportional to 243,791.47, 336,296.83 and 141,805.45

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Solution

The fourth proportional to 243,791.47, 336,296.83 and 141,805.45 is: 195,612.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,791.47 : 336,296.83 = 141,805.45 : x
  2. Step 2: Convert to fraction form
    243,791.47/336,296.83 = 141,805.45/x
  3. Step 3: Cross multiply
    243,791.47x = 336,296.83 × 141,805.45
  4. Step 4: Simplify right side
    243,791.47x = 47,688,720,921.21
  5. Step 5: Solve for x
    x = 47,688,720,921.21/243,791.47
  6. Step 6: Final answer
    x = 195,612.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.