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Finding the Fourth Proportional to 114,508.36, 158,021.64 and 63,529

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Solution

The fourth proportional to 114,508.36, 158,021.64 and 63,529 is: 87,670.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,508.36 : 158,021.64 = 63,529 : x
  2. Step 2: Convert to fraction form
    114,508.36/158,021.64 = 63,529/x
  3. Step 3: Cross multiply
    114,508.36x = 158,021.64 × 63,529
  4. Step 4: Simplify right side
    114,508.36x = 10,038,956,767.56
  5. Step 5: Solve for x
    x = 10,038,956,767.56/114,508.36
  6. Step 6: Final answer
    x = 87,670.08

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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.