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Finding the Fourth Proportional to 164,438.98, 226,926.50 and 88,987.48

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Solution

The fourth proportional to 164,438.98, 226,926.50 and 88,987.48 is: 122,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,438.98 : 226,926.50 = 88,987.48 : x
  2. Step 2: Convert to fraction form
    164,438.98/226,926.50 = 88,987.48/x
  3. Step 3: Cross multiply
    164,438.98x = 226,926.50 × 88,987.48
  4. Step 4: Simplify right side
    164,438.98x = 20,193,615,800.65
  5. Step 5: Solve for x
    x = 20,193,615,800.65/164,438.98
  6. Step 6: Final answer
    x = 122,803.10

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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.