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Finding the Fourth Proportional to 164,722.10, 227,315.04 and 93,101.90

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Solution

The fourth proportional to 164,722.10, 227,315.04 and 93,101.90 is: 128,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,722.10 : 227,315.04 = 93,101.90 : x
  2. Step 2: Convert to fraction form
    164,722.10/227,315.04 = 93,101.90/x
  3. Step 3: Cross multiply
    164,722.10x = 227,315.04 × 93,101.90
  4. Step 4: Simplify right side
    164,722.10x = 21,163,462,122.58
  5. Step 5: Solve for x
    x = 21,163,462,122.58/164,722.10
  6. Step 6: Final answer
    x = 128,479.80

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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.