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Finding the Fourth Proportional to 104,999.56, 144,899.04 and 57,252.79

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Solution

The fourth proportional to 104,999.56, 144,899.04 and 57,252.79 is: 79,008.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,999.56 : 144,899.04 = 57,252.79 : x
  2. Step 2: Convert to fraction form
    104,999.56/144,899.04 = 57,252.79/x
  3. Step 3: Cross multiply
    104,999.56x = 144,899.04 × 57,252.79
  4. Step 4: Simplify right side
    104,999.56x = 8,295,874,308.32
  5. Step 5: Solve for x
    x = 8,295,874,308.32/104,999.56
  6. Step 6: Final answer
    x = 79,008.66

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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.