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Finding the Fourth Proportional to 114,776.64, 158,348.64 and 84,633.96

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Solution

The fourth proportional to 114,776.64, 158,348.64 and 84,633.96 is: 116,763.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,776.64 : 158,348.64 = 84,633.96 : x
  2. Step 2: Convert to fraction form
    114,776.64/158,348.64 = 84,633.96/x
  3. Step 3: Cross multiply
    114,776.64x = 158,348.64 × 84,633.96
  4. Step 4: Simplify right side
    114,776.64x = 13,401,672,463.81
  5. Step 5: Solve for x
    x = 13,401,672,463.81/114,776.64
  6. Step 6: Final answer
    x = 116,763.07

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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.