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Finding the Fourth Proportional to 336,113.70, 504,170.55 and 86,795.70

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Solution

The fourth proportional to 336,113.70, 504,170.55 and 86,795.70 is: 130,193.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,113.70 : 504,170.55 = 86,795.70 : x
  2. Step 2: Convert to fraction form
    336,113.70/504,170.55 = 86,795.70/x
  3. Step 3: Cross multiply
    336,113.70x = 504,170.55 × 86,795.70
  4. Step 4: Simplify right side
    336,113.70x = 43,759,835,806.64
  5. Step 5: Solve for x
    x = 43,759,835,806.64/336,113.70
  6. Step 6: Final answer
    x = 130,193.55

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Similar ratio
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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.