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Finding the Fourth Proportional to 114,658.48, 158,225.68 and 63,669.64

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Solution

The fourth proportional to 114,658.48, 158,225.68 and 63,669.64 is: 87,862.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,658.48 : 158,225.68 = 63,669.64 : x
  2. Step 2: Convert to fraction form
    114,658.48/158,225.68 = 63,669.64/x
  3. Step 3: Cross multiply
    114,658.48x = 158,225.68 × 63,669.64
  4. Step 4: Simplify right side
    114,658.48x = 10,074,172,084.36
  5. Step 5: Solve for x
    x = 10,074,172,084.36/114,658.48
  6. Step 6: Final answer
    x = 87,862.42

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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.