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Finding the Fourth Proportional to 489,075.44, 733,564.02 and 134,125.16

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Solution

The fourth proportional to 489,075.44, 733,564.02 and 134,125.16 is: 201,174.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,075.44 : 733,564.02 = 134,125.16 : x
  2. Step 2: Convert to fraction form
    489,075.44/733,564.02 = 134,125.16/x
  3. Step 3: Cross multiply
    489,075.44x = 733,564.02 × 134,125.16
  4. Step 4: Simplify right side
    489,075.44x = 98,389,391,552.74
  5. Step 5: Solve for x
    x = 98,389,391,552.74/489,075.44
  6. Step 6: Final answer
    x = 201,174.26

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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.