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Finding the Fourth Proportional to 296,859.36, 445,335.12 and 99,852

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Solution

The fourth proportional to 296,859.36, 445,335.12 and 99,852 is: 149,793.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,859.36 : 445,335.12 = 99,852 : x
  2. Step 2: Convert to fraction form
    296,859.36/445,335.12 = 99,852/x
  3. Step 3: Cross multiply
    296,859.36x = 445,335.12 × 99,852
  4. Step 4: Simplify right side
    296,859.36x = 44,467,602,402.24
  5. Step 5: Solve for x
    x = 44,467,602,402.24/296,859.36
  6. Step 6: Final answer
    x = 149,793.50

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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.