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Finding the Fourth Proportional to 78,859, 118,284.18 and 32,151.16

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Solution

The fourth proportional to 78,859, 118,284.18 and 32,151.16 is: 48,224.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,859 : 118,284.18 = 32,151.16 : x
  2. Step 2: Convert to fraction form
    78,859/118,284.18 = 32,151.16/x
  3. Step 3: Cross multiply
    78,859x = 118,284.18 × 32,151.16
  4. Step 4: Simplify right side
    78,859x = 3,802,973,596.65
  5. Step 5: Solve for x
    x = 3,802,973,596.65/78,859
  6. Step 6: Final answer
    x = 48,224.98

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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.