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Finding the Fourth Proportional to 233,666.78, 322,459.60 and 126,236.48

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Solution

The fourth proportional to 233,666.78, 322,459.60 and 126,236.48 is: 174,206.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,666.78 : 322,459.60 = 126,236.48 : x
  2. Step 2: Convert to fraction form
    233,666.78/322,459.60 = 126,236.48/x
  3. Step 3: Cross multiply
    233,666.78x = 322,459.60 × 126,236.48
  4. Step 4: Simplify right side
    233,666.78x = 40,706,164,215.03
  5. Step 5: Solve for x
    x = 40,706,164,215.03/233,666.78
  6. Step 6: Final answer
    x = 174,206.04

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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.