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Finding the Fourth Proportional to 167,302.40, 230,775.88 and 99,274.56

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Solution

The fourth proportional to 167,302.40, 230,775.88 and 99,274.56 is: 136,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,302.40 : 230,775.88 = 99,274.56 : x
  2. Step 2: Convert to fraction form
    167,302.40/230,775.88 = 99,274.56/x
  3. Step 3: Cross multiply
    167,302.40x = 230,775.88 × 99,274.56
  4. Step 4: Simplify right side
    167,302.40x = 22,910,173,945.61
  5. Step 5: Solve for x
    x = 22,910,173,945.61/167,302.40
  6. Step 6: Final answer
    x = 136,938.70

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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.