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Finding the Fourth Proportional to 310,887.72, 466,331.58 and 111,196.08

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Solution

The fourth proportional to 310,887.72, 466,331.58 and 111,196.08 is: 166,794.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,887.72 : 466,331.58 = 111,196.08 : x
  2. Step 2: Convert to fraction form
    310,887.72/466,331.58 = 111,196.08/x
  3. Step 3: Cross multiply
    310,887.72x = 466,331.58 × 111,196.08
  4. Step 4: Simplify right side
    310,887.72x = 51,854,243,676.21
  5. Step 5: Solve for x
    x = 51,854,243,676.21/310,887.72
  6. Step 6: Final answer
    x = 166,794.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.