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Finding the Fourth Proportional to 112,390.86, 168,597.58 and 32,430.81

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Solution

The fourth proportional to 112,390.86, 168,597.58 and 32,430.81 is: 48,649.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,390.86 : 168,597.58 = 32,430.81 : x
  2. Step 2: Convert to fraction form
    112,390.86/168,597.58 = 32,430.81/x
  3. Step 3: Cross multiply
    112,390.86x = 168,597.58 × 32,430.81
  4. Step 4: Simplify right side
    112,390.86x = 5,467,756,083.44
  5. Step 5: Solve for x
    x = 5,467,756,083.44/112,390.86
  6. Step 6: Final answer
    x = 48,649.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.