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Finding the Fourth Proportional to 176,830.98, 265,249.26 and 98,443.44

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Solution

The fourth proportional to 176,830.98, 265,249.26 and 98,443.44 is: 147,666.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,830.98 : 265,249.26 = 98,443.44 : x
  2. Step 2: Convert to fraction form
    176,830.98/265,249.26 = 98,443.44/x
  3. Step 3: Cross multiply
    176,830.98x = 265,249.26 × 98,443.44
  4. Step 4: Simplify right side
    176,830.98x = 26,112,049,611.85
  5. Step 5: Solve for x
    x = 26,112,049,611.85/176,830.98
  6. Step 6: Final answer
    x = 147,666.71

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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.