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Finding the Fourth Proportional to 103,075.56, 154,467.54 and 43,851.60

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Solution

The fourth proportional to 103,075.56, 154,467.54 and 43,851.60 is: 65,715.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,075.56 : 154,467.54 = 43,851.60 : x
  2. Step 2: Convert to fraction form
    103,075.56/154,467.54 = 43,851.60/x
  3. Step 3: Cross multiply
    103,075.56x = 154,467.54 × 43,851.60
  4. Step 4: Simplify right side
    103,075.56x = 6,773,648,777.06
  5. Step 5: Solve for x
    x = 6,773,648,777.06/103,075.56
  6. Step 6: Final answer
    x = 65,715.37

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.