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Finding the Fourth Proportional to 273,312.40, 410,045.40 and 133,075.60

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Solution

The fourth proportional to 273,312.40, 410,045.40 and 133,075.60 is: 199,650.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,312.40 : 410,045.40 = 133,075.60 : x
  2. Step 2: Convert to fraction form
    273,312.40/410,045.40 = 133,075.60/x
  3. Step 3: Cross multiply
    273,312.40x = 410,045.40 × 133,075.60
  4. Step 4: Simplify right side
    273,312.40x = 54,567,037,632.24
  5. Step 5: Solve for x
    x = 54,567,037,632.24/273,312.40
  6. Step 6: Final answer
    x = 199,650.79

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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.