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Finding the Fourth Proportional to 183,866.40, 275,653.80 and 100,760.40

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Solution

The fourth proportional to 183,866.40, 275,653.80 and 100,760.40 is: 151,060.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,866.40 : 275,653.80 = 100,760.40 : x
  2. Step 2: Convert to fraction form
    183,866.40/275,653.80 = 100,760.40/x
  3. Step 3: Cross multiply
    183,866.40x = 275,653.80 × 100,760.40
  4. Step 4: Simplify right side
    183,866.40x = 27,774,987,149.52
  5. Step 5: Solve for x
    x = 27,774,987,149.52/183,866.40
  6. Step 6: Final answer
    x = 151,060.70

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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.