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Finding the Fourth Proportional to 368,342.98, 552,459.79 and 102,075.73

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Solution

The fourth proportional to 368,342.98, 552,459.79 and 102,075.73 is: 153,098.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,342.98 : 552,459.79 = 102,075.73 : x
  2. Step 2: Convert to fraction form
    368,342.98/552,459.79 = 102,075.73/x
  3. Step 3: Cross multiply
    368,342.98x = 552,459.79 × 102,075.73
  4. Step 4: Simplify right side
    368,342.98x = 56,392,736,359.90
  5. Step 5: Solve for x
    x = 56,392,736,359.90/368,342.98
  6. Step 6: Final answer
    x = 153,098.44

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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.