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Finding the Fourth Proportional to 193,043.90, 289,047.45 and 193,043.90

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Solution

The fourth proportional to 193,043.90, 289,047.45 and 193,043.90 is: 289,047.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,043.90 : 289,047.45 = 193,043.90 : x
  2. Step 2: Convert to fraction form
    193,043.90/289,047.45 = 193,043.90/x
  3. Step 3: Cross multiply
    193,043.90x = 289,047.45 × 193,043.90
  4. Step 4: Simplify right side
    193,043.90x = 55,798,847,033.06
  5. Step 5: Solve for x
    x = 55,798,847,033.06/193,043.90
  6. Step 6: Final answer
    x = 289,047.45

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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.