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Finding the Fourth Proportional to 296,961.04, 445,346.52 and 97,227.28

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Solution

The fourth proportional to 296,961.04, 445,346.52 and 97,227.28 is: 145,809.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,961.04 : 445,346.52 = 97,227.28 : x
  2. Step 2: Convert to fraction form
    296,961.04/445,346.52 = 97,227.28/x
  3. Step 3: Cross multiply
    296,961.04x = 445,346.52 × 97,227.28
  4. Step 4: Simplify right side
    296,961.04x = 43,299,830,797.07
  5. Step 5: Solve for x
    x = 43,299,830,797.07/296,961.04
  6. Step 6: Final answer
    x = 145,809.80

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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.