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Finding the Fourth Proportional to 296,721.94, 445,152.94 and 97,041.56

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Solution

The fourth proportional to 296,721.94, 445,152.94 and 97,041.56 is: 145,585.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,721.94 : 445,152.94 = 97,041.56 : x
  2. Step 2: Convert to fraction form
    296,721.94/445,152.94 = 97,041.56/x
  3. Step 3: Cross multiply
    296,721.94x = 445,152.94 × 97,041.56
  4. Step 4: Simplify right side
    296,721.94x = 43,198,335,736.19
  5. Step 5: Solve for x
    x = 43,198,335,736.19/296,721.94
  6. Step 6: Final answer
    x = 145,585.24

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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.