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Finding the Fourth Proportional to 73,594.80, 110,440.80 and 42,004.80

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Solution

The fourth proportional to 73,594.80, 110,440.80 and 42,004.80 is: 63,034.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,594.80 : 110,440.80 = 42,004.80 : x
  2. Step 2: Convert to fraction form
    73,594.80/110,440.80 = 42,004.80/x
  3. Step 3: Cross multiply
    73,594.80x = 110,440.80 × 42,004.80
  4. Step 4: Simplify right side
    73,594.80x = 4,639,043,715.84
  5. Step 5: Solve for x
    x = 4,639,043,715.84/73,594.80
  6. Step 6: Final answer
    x = 63,034.94

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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.