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Finding the Fourth Proportional to 85,090.27, 117,460.88 and 60,576.88

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Solution

The fourth proportional to 85,090.27, 117,460.88 and 60,576.88 is: 83,621.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,090.27 : 117,460.88 = 60,576.88 : x
  2. Step 2: Convert to fraction form
    85,090.27/117,460.88 = 60,576.88/x
  3. Step 3: Cross multiply
    85,090.27x = 117,460.88 × 60,576.88
  4. Step 4: Simplify right side
    85,090.27x = 7,115,413,632.45
  5. Step 5: Solve for x
    x = 7,115,413,632.45/85,090.27
  6. Step 6: Final answer
    x = 83,621.94

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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.