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Finding the Fourth Proportional to 265,551.20, 366,460.70 and 144,692.50

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Solution

The fourth proportional to 265,551.20, 366,460.70 and 144,692.50 is: 199,675.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,551.20 : 366,460.70 = 144,692.50 : x
  2. Step 2: Convert to fraction form
    265,551.20/366,460.70 = 144,692.50/x
  3. Step 3: Cross multiply
    265,551.20x = 366,460.70 × 144,692.50
  4. Step 4: Simplify right side
    265,551.20x = 53,024,114,834.75
  5. Step 5: Solve for x
    x = 53,024,114,834.75/265,551.20
  6. Step 6: Final answer
    x = 199,675.67

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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.