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Finding the Fourth Proportional to 291,756.48, 437,633.76 and 94,764.48

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Solution

The fourth proportional to 291,756.48, 437,633.76 and 94,764.48 is: 142,146.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,756.48 : 437,633.76 = 94,764.48 : x
  2. Step 2: Convert to fraction form
    291,756.48/437,633.76 = 94,764.48/x
  3. Step 3: Cross multiply
    291,756.48x = 437,633.76 × 94,764.48
  4. Step 4: Simplify right side
    291,756.48x = 41,472,135,696.84
  5. Step 5: Solve for x
    x = 41,472,135,696.84/291,756.48
  6. Step 6: Final answer
    x = 142,146.41

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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.