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Finding the Fourth Proportional to 114,702.62, 158,284.26 and 63,718.65

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Solution

The fourth proportional to 114,702.62, 158,284.26 and 63,718.65 is: 87,928.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,702.62 : 158,284.26 = 63,718.65 : x
  2. Step 2: Convert to fraction form
    114,702.62/158,284.26 = 63,718.65/x
  3. Step 3: Cross multiply
    114,702.62x = 158,284.26 × 63,718.65
  4. Step 4: Simplify right side
    114,702.62x = 10,085,659,363.45
  5. Step 5: Solve for x
    x = 10,085,659,363.45/114,702.62
  6. Step 6: Final answer
    x = 87,928.77

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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.