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Finding the Fourth Proportional to 181,749.60, 272,636.55 and 61,804.80

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Solution

The fourth proportional to 181,749.60, 272,636.55 and 61,804.80 is: 92,711.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,749.60 : 272,636.55 = 61,804.80 : x
  2. Step 2: Convert to fraction form
    181,749.60/272,636.55 = 61,804.80/x
  3. Step 3: Cross multiply
    181,749.60x = 272,636.55 × 61,804.80
  4. Step 4: Simplify right side
    181,749.60x = 16,850,247,445.44
  5. Step 5: Solve for x
    x = 16,850,247,445.44/181,749.60
  6. Step 6: Final answer
    x = 92,711.33

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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.