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Finding the Fourth Proportional to 296,740.80, 445,024.80 and 107,179.20

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Solution

The fourth proportional to 296,740.80, 445,024.80 and 107,179.20 is: 160,737.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,740.80 : 445,024.80 = 107,179.20 : x
  2. Step 2: Convert to fraction form
    296,740.80/445,024.80 = 107,179.20/x
  3. Step 3: Cross multiply
    296,740.80x = 445,024.80 × 107,179.20
  4. Step 4: Simplify right side
    296,740.80x = 47,697,402,044.16
  5. Step 5: Solve for x
    x = 47,697,402,044.16/296,740.80
  6. Step 6: Final answer
    x = 160,737.59

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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.