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Finding the Fourth Proportional to 275,866.52, 413,804.99 and 76,192.22

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Solution

The fourth proportional to 275,866.52, 413,804.99 and 76,192.22 is: 114,289.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,866.52 : 413,804.99 = 76,192.22 : x
  2. Step 2: Convert to fraction form
    275,866.52/413,804.99 = 76,192.22/x
  3. Step 3: Cross multiply
    275,866.52x = 413,804.99 × 76,192.22
  4. Step 4: Simplify right side
    275,866.52x = 31,528,720,835.18
  5. Step 5: Solve for x
    x = 31,528,720,835.18/275,866.52
  6. Step 6: Final answer
    x = 114,289.77

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1.5x scale

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.