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Finding the Fourth Proportional to 93,706.26, 129,314.51 and 51,264.80

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Solution

The fourth proportional to 93,706.26, 129,314.51 and 51,264.80 is: 70,745.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,706.26 : 129,314.51 = 51,264.80 : x
  2. Step 2: Convert to fraction form
    93,706.26/129,314.51 = 51,264.80/x
  3. Step 3: Cross multiply
    93,706.26x = 129,314.51 × 51,264.80
  4. Step 4: Simplify right side
    93,706.26x = 6,629,281,589.35
  5. Step 5: Solve for x
    x = 6,629,281,589.35/93,706.26
  6. Step 6: Final answer
    x = 70,745.34

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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.