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Finding the Fourth Proportional to 85,610.08, 118,147.60 and 47,882.08

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Solution

The fourth proportional to 85,610.08, 118,147.60 and 47,882.08 is: 66,080.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,610.08 : 118,147.60 = 47,882.08 : x
  2. Step 2: Convert to fraction form
    85,610.08/118,147.60 = 47,882.08/x
  3. Step 3: Cross multiply
    85,610.08x = 118,147.60 × 47,882.08
  4. Step 4: Simplify right side
    85,610.08x = 5,657,152,835.01
  5. Step 5: Solve for x
    x = 5,657,152,835.01/85,610.08
  6. Step 6: Final answer
    x = 66,080.45

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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.