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Finding the Fourth Proportional to 66,063.32, 99,122.74 and 41,124.23

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Solution

The fourth proportional to 66,063.32, 99,122.74 and 41,124.23 is: 61,703.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,063.32 : 99,122.74 = 41,124.23 : x
  2. Step 2: Convert to fraction form
    66,063.32/99,122.74 = 41,124.23/x
  3. Step 3: Cross multiply
    66,063.32x = 99,122.74 × 41,124.23
  4. Step 4: Simplify right side
    66,063.32x = 4,076,345,759.57
  5. Step 5: Solve for x
    x = 4,076,345,759.57/66,063.32
  6. Step 6: Final answer
    x = 61,703.62

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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.