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Finding the Fourth Proportional to 213,529.95, 320,383.95 and 93,673.02

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Solution

The fourth proportional to 213,529.95, 320,383.95 and 93,673.02 is: 140,548.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,529.95 : 320,383.95 = 93,673.02 : x
  2. Step 2: Convert to fraction form
    213,529.95/320,383.95 = 93,673.02/x
  3. Step 3: Cross multiply
    213,529.95x = 320,383.95 × 93,673.02
  4. Step 4: Simplify right side
    213,529.95x = 30,011,332,156.03
  5. Step 5: Solve for x
    x = 30,011,332,156.03/213,529.95
  6. Step 6: Final answer
    x = 140,548.58

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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.