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Finding the Fourth Proportional to 114,536.53, 171,484.23 and 86,368.43

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Solution

The fourth proportional to 114,536.53, 171,484.23 and 86,368.43 is: 129,310.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,536.53 : 171,484.23 = 86,368.43 : x
  2. Step 2: Convert to fraction form
    114,536.53/171,484.23 = 86,368.43/x
  3. Step 3: Cross multiply
    114,536.53x = 171,484.23 × 86,368.43
  4. Step 4: Simplify right side
    114,536.53x = 14,810,823,714.86
  5. Step 5: Solve for x
    x = 14,810,823,714.86/114,536.53
  6. Step 6: Final answer
    x = 129,310.92

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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.