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Finding the Fourth Proportional to 104,999.97, 144,896.79 and 57,254.25

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Solution

The fourth proportional to 104,999.97, 144,896.79 and 57,254.25 is: 79,009.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,999.97 : 144,896.79 = 57,254.25 : x
  2. Step 2: Convert to fraction form
    104,999.97/144,896.79 = 57,254.25/x
  3. Step 3: Cross multiply
    104,999.97x = 144,896.79 × 57,254.25
  4. Step 4: Simplify right side
    104,999.97x = 8,295,957,038.86
  5. Step 5: Solve for x
    x = 8,295,957,038.86/104,999.97
  6. Step 6: Final answer
    x = 79,009.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.