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Finding the Fourth Proportional to 133,075.80, 183,644.22 and 73,459.80

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Solution

The fourth proportional to 133,075.80, 183,644.22 and 73,459.80 is: 101,374.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,075.80 : 183,644.22 = 73,459.80 : x
  2. Step 2: Convert to fraction form
    133,075.80/183,644.22 = 73,459.80/x
  3. Step 3: Cross multiply
    133,075.80x = 183,644.22 × 73,459.80
  4. Step 4: Simplify right side
    133,075.80x = 13,490,467,672.36
  5. Step 5: Solve for x
    x = 13,490,467,672.36/133,075.80
  6. Step 6: Final answer
    x = 101,374.31

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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.