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Finding the Fourth Proportional to 213,000.57, 293,939.15 and 117,511.29

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Solution

The fourth proportional to 213,000.57, 293,939.15 and 117,511.29 is: 162,164.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,000.57 : 293,939.15 = 117,511.29 : x
  2. Step 2: Convert to fraction form
    213,000.57/293,939.15 = 117,511.29/x
  3. Step 3: Cross multiply
    213,000.57x = 293,939.15 × 117,511.29
  4. Step 4: Simplify right side
    213,000.57x = 34,541,168,110.45
  5. Step 5: Solve for x
    x = 34,541,168,110.45/213,000.57
  6. Step 6: Final answer
    x = 162,164.67

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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.