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Finding the Fourth Proportional to 294,199.68, 441,300.48 and 80,970.48

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Solution

The fourth proportional to 294,199.68, 441,300.48 and 80,970.48 is: 121,455.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,199.68 : 441,300.48 = 80,970.48 : x
  2. Step 2: Convert to fraction form
    294,199.68/441,300.48 = 80,970.48/x
  3. Step 3: Cross multiply
    294,199.68x = 441,300.48 × 80,970.48
  4. Step 4: Simplify right side
    294,199.68x = 35,732,311,689.83
  5. Step 5: Solve for x
    x = 35,732,311,689.83/294,199.68
  6. Step 6: Final answer
    x = 121,455.98

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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.