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Finding the Fourth Proportional to 147,075.62, 220,569.60 and 53,559.50

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Solution

The fourth proportional to 147,075.62, 220,569.60 and 53,559.50 is: 80,323.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,075.62 : 220,569.60 = 53,559.50 : x
  2. Step 2: Convert to fraction form
    147,075.62/220,569.60 = 53,559.50/x
  3. Step 3: Cross multiply
    147,075.62x = 220,569.60 × 53,559.50
  4. Step 4: Simplify right side
    147,075.62x = 11,813,597,491.20
  5. Step 5: Solve for x
    x = 11,813,597,491.20/147,075.62
  6. Step 6: Final answer
    x = 80,323.29

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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.