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Finding the Fourth Proportional to 176,031.80, 264,047.70 and 129,375.80

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Solution

The fourth proportional to 176,031.80, 264,047.70 and 129,375.80 is: 194,063.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,031.80 : 264,047.70 = 129,375.80 : x
  2. Step 2: Convert to fraction form
    176,031.80/264,047.70 = 129,375.80/x
  3. Step 3: Cross multiply
    176,031.80x = 264,047.70 × 129,375.80
  4. Step 4: Simplify right side
    176,031.80x = 34,161,382,425.66
  5. Step 5: Solve for x
    x = 34,161,382,425.66/176,031.80
  6. Step 6: Final answer
    x = 194,063.70

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1.5x scale

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.