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Finding the Fourth Proportional to 181,773.51, 250,782.53 and 105,250.85

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Solution

The fourth proportional to 181,773.51, 250,782.53 and 105,250.85 is: 145,208.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,773.51 : 250,782.53 = 105,250.85 : x
  2. Step 2: Convert to fraction form
    181,773.51/250,782.53 = 105,250.85/x
  3. Step 3: Cross multiply
    181,773.51x = 250,782.53 × 105,250.85
  4. Step 4: Simplify right side
    181,773.51x = 26,395,072,667.48
  5. Step 5: Solve for x
    x = 26,395,072,667.48/181,773.51
  6. Step 6: Final answer
    x = 145,208.58

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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.