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Finding the Fourth Proportional to 193,274.57, 266,706.86 and 116,748.45

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Solution

The fourth proportional to 193,274.57, 266,706.86 and 116,748.45 is: 161,105.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,274.57 : 266,706.86 = 116,748.45 : x
  2. Step 2: Convert to fraction form
    193,274.57/266,706.86 = 116,748.45/x
  3. Step 3: Cross multiply
    193,274.57x = 266,706.86 × 116,748.45
  4. Step 4: Simplify right side
    193,274.57x = 31,137,611,465.22
  5. Step 5: Solve for x
    x = 31,137,611,465.22/193,274.57
  6. Step 6: Final answer
    x = 161,105.58

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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.