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Finding the Fourth Proportional to 181,427.78, 272,233.74 and 81,567.74

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Solution

The fourth proportional to 181,427.78, 272,233.74 and 81,567.74 is: 122,393.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,427.78 : 272,233.74 = 81,567.74 : x
  2. Step 2: Convert to fraction form
    181,427.78/272,233.74 = 81,567.74/x
  3. Step 3: Cross multiply
    181,427.78x = 272,233.74 × 81,567.74
  4. Step 4: Simplify right side
    181,427.78x = 22,205,490,923.55
  5. Step 5: Solve for x
    x = 22,205,490,923.55/181,427.78
  6. Step 6: Final answer
    x = 122,393.00

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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.