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Finding the Fourth Proportional to 161,075.70, 241,690.77 and 66,374.82

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Solution

The fourth proportional to 161,075.70, 241,690.77 and 66,374.82 is: 99,594.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,075.70 : 241,690.77 = 66,374.82 : x
  2. Step 2: Convert to fraction form
    161,075.70/241,690.77 = 66,374.82/x
  3. Step 3: Cross multiply
    161,075.70x = 241,690.77 × 66,374.82
  4. Step 4: Simplify right side
    161,075.70x = 16,042,181,354.41
  5. Step 5: Solve for x
    x = 16,042,181,354.41/161,075.70
  6. Step 6: Final answer
    x = 99,594.05

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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.