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Finding the Fourth Proportional to 85,956.95, 118,618.71 and 47,714.25

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Solution

The fourth proportional to 85,956.95, 118,618.71 and 47,714.25 is: 65,844.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,956.95 : 118,618.71 = 47,714.25 : x
  2. Step 2: Convert to fraction form
    85,956.95/118,618.71 = 47,714.25/x
  3. Step 3: Cross multiply
    85,956.95x = 118,618.71 × 47,714.25
  4. Step 4: Simplify right side
    85,956.95x = 5,659,802,783.62
  5. Step 5: Solve for x
    x = 5,659,802,783.62/85,956.95
  6. Step 6: Final answer
    x = 65,844.62

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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.