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Finding the Fourth Proportional to 174,790.50, 241,211.16 and 99,339

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Solution

The fourth proportional to 174,790.50, 241,211.16 and 99,339 is: 137,087.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,790.50 : 241,211.16 = 99,339 : x
  2. Step 2: Convert to fraction form
    174,790.50/241,211.16 = 99,339/x
  3. Step 3: Cross multiply
    174,790.50x = 241,211.16 × 99,339
  4. Step 4: Simplify right side
    174,790.50x = 23,961,675,423.24
  5. Step 5: Solve for x
    x = 23,961,675,423.24/174,790.50
  6. Step 6: Final answer
    x = 137,087.97

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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.