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Finding the Fourth Proportional to 84,783.94, 127,264.47 and 62,622.34

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Solution

The fourth proportional to 84,783.94, 127,264.47 and 62,622.34 is: 93,998.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,783.94 : 127,264.47 = 62,622.34 : x
  2. Step 2: Convert to fraction form
    84,783.94/127,264.47 = 62,622.34/x
  3. Step 3: Cross multiply
    84,783.94x = 127,264.47 × 62,622.34
  4. Step 4: Simplify right side
    84,783.94x = 7,969,598,910.26
  5. Step 5: Solve for x
    x = 7,969,598,910.26/84,783.94
  6. Step 6: Final answer
    x = 93,998.92

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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.