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Finding the Fourth Proportional to 104,597.46, 156,939.93 and 45,482.85

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Solution

The fourth proportional to 104,597.46, 156,939.93 and 45,482.85 is: 68,243.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,597.46 : 156,939.93 = 45,482.85 : x
  2. Step 2: Convert to fraction form
    104,597.46/156,939.93 = 45,482.85/x
  3. Step 3: Cross multiply
    104,597.46x = 156,939.93 × 45,482.85
  4. Step 4: Simplify right side
    104,597.46x = 7,138,075,295.20
  5. Step 5: Solve for x
    x = 7,138,075,295.20/104,597.46
  6. Step 6: Final answer
    x = 68,243.29

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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.