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Finding the Fourth Proportional to 362,075.60, 543,110.70 and 109,355.60

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Solution

The fourth proportional to 362,075.60, 543,110.70 and 109,355.60 is: 164,032.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,075.60 : 543,110.70 = 109,355.60 : x
  2. Step 2: Convert to fraction form
    362,075.60/543,110.70 = 109,355.60/x
  3. Step 3: Cross multiply
    362,075.60x = 543,110.70 × 109,355.60
  4. Step 4: Simplify right side
    362,075.60x = 59,392,196,464.92
  5. Step 5: Solve for x
    x = 59,392,196,464.92/362,075.60
  6. Step 6: Final answer
    x = 164,032.58

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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.