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Finding the Fourth Proportional to 71,160.98, 106,801.32 and 35,611.64

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Solution

The fourth proportional to 71,160.98, 106,801.32 and 35,611.64 is: 53,447.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,160.98 : 106,801.32 = 35,611.64 : x
  2. Step 2: Convert to fraction form
    71,160.98/106,801.32 = 35,611.64/x
  3. Step 3: Cross multiply
    71,160.98x = 106,801.32 × 35,611.64
  4. Step 4: Simplify right side
    71,160.98x = 3,803,370,159.36
  5. Step 5: Solve for x
    x = 3,803,370,159.36/71,160.98
  6. Step 6: Final answer
    x = 53,447.41

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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.