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Finding the Fourth Proportional to 114,682.86, 171,857.95 and 64,656.23

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Solution

The fourth proportional to 114,682.86, 171,857.95 and 64,656.23 is: 96,890.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,682.86 : 171,857.95 = 64,656.23 : x
  2. Step 2: Convert to fraction form
    114,682.86/171,857.95 = 64,656.23/x
  3. Step 3: Cross multiply
    114,682.86x = 171,857.95 × 64,656.23
  4. Step 4: Simplify right side
    114,682.86x = 11,111,686,485.29
  5. Step 5: Solve for x
    x = 11,111,686,485.29/114,682.86
  6. Step 6: Final answer
    x = 96,890.56

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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.