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Finding the Fourth Proportional to 114,963.98, 158,648.85 and 63,975.45

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Solution

The fourth proportional to 114,963.98, 158,648.85 and 63,975.45 is: 88,285.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,963.98 : 158,648.85 = 63,975.45 : x
  2. Step 2: Convert to fraction form
    114,963.98/158,648.85 = 63,975.45/x
  3. Step 3: Cross multiply
    114,963.98x = 158,648.85 × 63,975.45
  4. Step 4: Simplify right side
    114,963.98x = 10,149,631,007.00
  5. Step 5: Solve for x
    x = 10,149,631,007.00/114,963.98
  6. Step 6: Final answer
    x = 88,285.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.