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Finding the Fourth Proportional to 136,648.52, 204,966.90 and 46,699.28

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Solution

The fourth proportional to 136,648.52, 204,966.90 and 46,699.28 is: 70,046.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,648.52 : 204,966.90 = 46,699.28 : x
  2. Step 2: Convert to fraction form
    136,648.52/204,966.90 = 46,699.28/x
  3. Step 3: Cross multiply
    136,648.52x = 204,966.90 × 46,699.28
  4. Step 4: Simplify right side
    136,648.52x = 9,571,806,653.83
  5. Step 5: Solve for x
    x = 9,571,806,653.83/136,648.52
  6. Step 6: Final answer
    x = 70,046.91

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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.