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Finding the Fourth Proportional to 181,595.78, 272,393.67 and 56,946.50

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Solution

The fourth proportional to 181,595.78, 272,393.67 and 56,946.50 is: 85,419.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,595.78 : 272,393.67 = 56,946.50 : x
  2. Step 2: Convert to fraction form
    181,595.78/272,393.67 = 56,946.50/x
  3. Step 3: Cross multiply
    181,595.78x = 272,393.67 × 56,946.50
  4. Step 4: Simplify right side
    181,595.78x = 15,511,866,128.66
  5. Step 5: Solve for x
    x = 15,511,866,128.66/181,595.78
  6. Step 6: Final answer
    x = 85,419.75

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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.