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Finding the Fourth Proportional to 181,697.67, 272,590.20 and 57,038.67

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Solution

The fourth proportional to 181,697.67, 272,590.20 and 57,038.67 is: 85,571.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,697.67 : 272,590.20 = 57,038.67 : x
  2. Step 2: Convert to fraction form
    181,697.67/272,590.20 = 57,038.67/x
  3. Step 3: Cross multiply
    181,697.67x = 272,590.20 × 57,038.67
  4. Step 4: Simplify right side
    181,697.67x = 15,548,182,463.03
  5. Step 5: Solve for x
    x = 15,548,182,463.03/181,697.67
  6. Step 6: Final answer
    x = 85,571.72

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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.