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Finding the Fourth Proportional to 104,008.08, 155,913.72 and 64,051.64

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Solution

The fourth proportional to 104,008.08, 155,913.72 and 64,051.64 is: 96,016.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,008.08 : 155,913.72 = 64,051.64 : x
  2. Step 2: Convert to fraction form
    104,008.08/155,913.72 = 64,051.64/x
  3. Step 3: Cross multiply
    104,008.08x = 155,913.72 × 64,051.64
  4. Step 4: Simplify right side
    104,008.08x = 9,986,529,464.50
  5. Step 5: Solve for x
    x = 9,986,529,464.50/104,008.08
  6. Step 6: Final answer
    x = 96,016.86

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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.