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Finding the Fourth Proportional to 146,075.25, 201,583.86 and 79,007.25

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Solution

The fourth proportional to 146,075.25, 201,583.86 and 79,007.25 is: 109,030.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,075.25 : 201,583.86 = 79,007.25 : x
  2. Step 2: Convert to fraction form
    146,075.25/201,583.86 = 79,007.25/x
  3. Step 3: Cross multiply
    146,075.25x = 201,583.86 × 79,007.25
  4. Step 4: Simplify right side
    146,075.25x = 15,926,586,422.99
  5. Step 5: Solve for x
    x = 15,926,586,422.99/146,075.25
  6. Step 6: Final answer
    x = 109,030.01

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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.