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Finding the Fourth Proportional to 181,777.94, 250,897.76 and 105,284.70

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Solution

The fourth proportional to 181,777.94, 250,897.76 and 105,284.70 is: 145,318.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,777.94 : 250,897.76 = 105,284.70 : x
  2. Step 2: Convert to fraction form
    181,777.94/250,897.76 = 105,284.70/x
  3. Step 3: Cross multiply
    181,777.94x = 250,897.76 × 105,284.70
  4. Step 4: Simplify right side
    181,777.94x = 26,415,694,865.85
  5. Step 5: Solve for x
    x = 26,415,694,865.85/181,777.94
  6. Step 6: Final answer
    x = 145,318.49

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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.