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Finding the Fourth Proportional to 181,575.78, 250,505.64 and 112,633.26

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Solution

The fourth proportional to 181,575.78, 250,505.64 and 112,633.26 is: 155,391.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,575.78 : 250,505.64 = 112,633.26 : x
  2. Step 2: Convert to fraction form
    181,575.78/250,505.64 = 112,633.26/x
  3. Step 3: Cross multiply
    181,575.78x = 250,505.64 × 112,633.26
  4. Step 4: Simplify right side
    181,575.78x = 28,215,266,881.59
  5. Step 5: Solve for x
    x = 28,215,266,881.59/181,575.78
  6. Step 6: Final answer
    x = 155,391.14

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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.