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Finding the Fourth Proportional to 148,936.40, 208,044.40 and 148,936.40

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Solution

The fourth proportional to 148,936.40, 208,044.40 and 148,936.40 is: 208,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,936.40 : 208,044.40 = 148,936.40 : x
  2. Step 2: Convert to fraction form
    148,936.40/208,044.40 = 148,936.40/x
  3. Step 3: Cross multiply
    148,936.40x = 208,044.40 × 148,936.40
  4. Step 4: Simplify right side
    148,936.40x = 30,985,383,976.16
  5. Step 5: Solve for x
    x = 30,985,383,976.16/148,936.40
  6. Step 6: Final answer
    x = 208,044.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.