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Finding the Fourth Proportional to 233,016.90, 349,266.15 and 127,911.30

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Solution

The fourth proportional to 233,016.90, 349,266.15 and 127,911.30 is: 191,724.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,016.90 : 349,266.15 = 127,911.30 : x
  2. Step 2: Convert to fraction form
    233,016.90/349,266.15 = 127,911.30/x
  3. Step 3: Cross multiply
    233,016.90x = 349,266.15 × 127,911.30
  4. Step 4: Simplify right side
    233,016.90x = 44,675,087,292.50
  5. Step 5: Solve for x
    x = 44,675,087,292.50/233,016.90
  6. Step 6: Final answer
    x = 191,724.67

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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.