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Finding the Fourth Proportional to 181,453.96, 250,411.89 and 99,777.97

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Solution

The fourth proportional to 181,453.96, 250,411.89 and 99,777.97 is: 137,696.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,453.96 : 250,411.89 = 99,777.97 : x
  2. Step 2: Convert to fraction form
    181,453.96/250,411.89 = 99,777.97/x
  3. Step 3: Cross multiply
    181,453.96x = 250,411.89 × 99,777.97
  4. Step 4: Simplify right side
    181,453.96x = 24,985,590,048.06
  5. Step 5: Solve for x
    x = 24,985,590,048.06/181,453.96
  6. Step 6: Final answer
    x = 137,696.58

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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.