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Finding the Fourth Proportional to 101,975.98, 152,963.36 and 39,646.48

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Solution

The fourth proportional to 101,975.98, 152,963.36 and 39,646.48 is: 59,469.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,975.98 : 152,963.36 = 39,646.48 : x
  2. Step 2: Convert to fraction form
    101,975.98/152,963.36 = 39,646.48/x
  3. Step 3: Cross multiply
    101,975.98x = 152,963.36 × 39,646.48
  4. Step 4: Simplify right side
    101,975.98x = 6,064,458,792.97
  5. Step 5: Solve for x
    x = 6,064,458,792.97/101,975.98
  6. Step 6: Final answer
    x = 59,469.48

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1.5x scale

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.