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Finding the Fourth Proportional to 117,606.67, 162,298.34 and 63,892.07

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Solution

The fourth proportional to 117,606.67, 162,298.34 and 63,892.07 is: 88,171.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,606.67 : 162,298.34 = 63,892.07 : x
  2. Step 2: Convert to fraction form
    117,606.67/162,298.34 = 63,892.07/x
  3. Step 3: Cross multiply
    117,606.67x = 162,298.34 × 63,892.07
  4. Step 4: Simplify right side
    117,606.67x = 10,369,576,797.12
  5. Step 5: Solve for x
    x = 10,369,576,797.12/117,606.67
  6. Step 6: Final answer
    x = 88,171.67

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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.