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Finding the Fourth Proportional to 181,580.54, 272,414.44 and 56,921.54

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Solution

The fourth proportional to 181,580.54, 272,414.44 and 56,921.54 is: 85,395.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,580.54 : 272,414.44 = 56,921.54 : x
  2. Step 2: Convert to fraction form
    181,580.54/272,414.44 = 56,921.54/x
  3. Step 3: Cross multiply
    181,580.54x = 272,414.44 × 56,921.54
  4. Step 4: Simplify right side
    181,580.54x = 15,506,248,152.12
  5. Step 5: Solve for x
    x = 15,506,248,152.12/181,580.54
  6. Step 6: Final answer
    x = 85,395.98

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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.