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Finding the Fourth Proportional to 115,169.79, 172,754.73 and 44,999.94

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Solution

The fourth proportional to 115,169.79, 172,754.73 and 44,999.94 is: 67,499.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,169.79 : 172,754.73 = 44,999.94 : x
  2. Step 2: Convert to fraction form
    115,169.79/172,754.73 = 44,999.94/x
  3. Step 3: Cross multiply
    115,169.79x = 172,754.73 × 44,999.94
  4. Step 4: Simplify right side
    115,169.79x = 7,773,952,484.72
  5. Step 5: Solve for x
    x = 7,773,952,484.72/115,169.79
  6. Step 6: Final answer
    x = 67,499.93

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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.