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Finding the Fourth Proportional to 86,094.44, 118,799.70 and 49,802.12

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Solution

The fourth proportional to 86,094.44, 118,799.70 and 49,802.12 is: 68,720.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,094.44 : 118,799.70 = 49,802.12 : x
  2. Step 2: Convert to fraction form
    86,094.44/118,799.70 = 49,802.12/x
  3. Step 3: Cross multiply
    86,094.44x = 118,799.70 × 49,802.12
  4. Step 4: Simplify right side
    86,094.44x = 5,916,476,915.36
  5. Step 5: Solve for x
    x = 5,916,476,915.36/86,094.44
  6. Step 6: Final answer
    x = 68,720.78

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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.