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Finding the Fourth Proportional to 147,324.46, 203,307.72 and 80,256.46

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Solution

The fourth proportional to 147,324.46, 203,307.72 and 80,256.46 is: 110,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,324.46 : 203,307.72 = 80,256.46 : x
  2. Step 2: Convert to fraction form
    147,324.46/203,307.72 = 80,256.46/x
  3. Step 3: Cross multiply
    147,324.46x = 203,307.72 × 80,256.46
  4. Step 4: Simplify right side
    147,324.46x = 16,316,757,897.87
  5. Step 5: Solve for x
    x = 16,316,757,897.87/147,324.46
  6. Step 6: Final answer
    x = 110,753.90

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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.