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Finding the Fourth Proportional to 181,707.10, 272,572.80 and 61,762.30

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Solution

The fourth proportional to 181,707.10, 272,572.80 and 61,762.30 is: 92,647.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,707.10 : 272,572.80 = 61,762.30 : x
  2. Step 2: Convert to fraction form
    181,707.10/272,572.80 = 61,762.30/x
  3. Step 3: Cross multiply
    181,707.10x = 272,572.80 × 61,762.30
  4. Step 4: Simplify right side
    181,707.10x = 16,834,723,045.44
  5. Step 5: Solve for x
    x = 16,834,723,045.44/181,707.10
  6. Step 6: Final answer
    x = 92,647.58

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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.