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Finding the Fourth Proportional to 114,648.83, 158,213.16 and 63,658.91

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Solution

The fourth proportional to 114,648.83, 158,213.16 and 63,658.91 is: 87,848.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,648.83 : 158,213.16 = 63,658.91 : x
  2. Step 2: Convert to fraction form
    114,648.83/158,213.16 = 63,658.91/x
  3. Step 3: Cross multiply
    114,648.83x = 158,213.16 × 63,658.91
  4. Step 4: Simplify right side
    114,648.83x = 10,071,677,313.26
  5. Step 5: Solve for x
    x = 10,071,677,313.26/114,648.83
  6. Step 6: Final answer
    x = 87,848.06

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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.