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Finding the Fourth Proportional to 68,938.65, 95,171.62 and 46,396.15

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Solution

The fourth proportional to 68,938.65, 95,171.62 and 46,396.15 is: 64,051.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,938.65 : 95,171.62 = 46,396.15 : x
  2. Step 2: Convert to fraction form
    68,938.65/95,171.62 = 46,396.15/x
  3. Step 3: Cross multiply
    68,938.65x = 95,171.62 × 46,396.15
  4. Step 4: Simplify right side
    68,938.65x = 4,415,596,403.34
  5. Step 5: Solve for x
    x = 4,415,596,403.34/68,938.65
  6. Step 6: Final answer
    x = 64,051.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.