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Finding the Fourth Proportional to 362,762.86, 544,145.55 and 126,107.50

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Solution

The fourth proportional to 362,762.86, 544,145.55 and 126,107.50 is: 189,161.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,762.86 : 544,145.55 = 126,107.50 : x
  2. Step 2: Convert to fraction form
    362,762.86/544,145.55 = 126,107.50/x
  3. Step 3: Cross multiply
    362,762.86x = 544,145.55 × 126,107.50
  4. Step 4: Simplify right side
    362,762.86x = 68,620,834,946.63
  5. Step 5: Solve for x
    x = 68,620,834,946.63/362,762.86
  6. Step 6: Final answer
    x = 189,161.69

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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.