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Finding the Fourth Proportional to 167,460.49, 231,094.51 and 90,978.99

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Solution

The fourth proportional to 167,460.49, 231,094.51 and 90,978.99 is: 125,550.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,460.49 : 231,094.51 = 90,978.99 : x
  2. Step 2: Convert to fraction form
    167,460.49/231,094.51 = 90,978.99/x
  3. Step 3: Cross multiply
    167,460.49x = 231,094.51 × 90,978.99
  4. Step 4: Simplify right side
    167,460.49x = 21,024,745,114.34
  5. Step 5: Solve for x
    x = 21,024,745,114.34/167,460.49
  6. Step 6: Final answer
    x = 125,550.48

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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.