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Finding the Fourth Proportional to 164,882.70, 247,615.65 and 127,533.60

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Solution

The fourth proportional to 164,882.70, 247,615.65 and 127,533.60 is: 191,525.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,882.70 : 247,615.65 = 127,533.60 : x
  2. Step 2: Convert to fraction form
    164,882.70/247,615.65 = 127,533.60/x
  3. Step 3: Cross multiply
    164,882.70x = 247,615.65 × 127,533.60
  4. Step 4: Simplify right side
    164,882.70x = 31,579,315,260.84
  5. Step 5: Solve for x
    x = 31,579,315,260.84/164,882.70
  6. Step 6: Final answer
    x = 191,525.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.