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Finding the Fourth Proportional to 86,114.17, 118,837.02 and 48,388.42

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Solution

The fourth proportional to 86,114.17, 118,837.02 and 48,388.42 is: 66,775.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,114.17 : 118,837.02 = 48,388.42 : x
  2. Step 2: Convert to fraction form
    86,114.17/118,837.02 = 48,388.42/x
  3. Step 3: Cross multiply
    86,114.17x = 118,837.02 × 48,388.42
  4. Step 4: Simplify right side
    86,114.17x = 5,750,335,635.31
  5. Step 5: Solve for x
    x = 5,750,335,635.31/86,114.17
  6. Step 6: Final answer
    x = 66,775.72

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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.