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Finding the Fourth Proportional to 272,569, 376,148.78 and 150,075.63

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Solution

The fourth proportional to 272,569, 376,148.78 and 150,075.63 is: 207,106.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,569 : 376,148.78 = 150,075.63 : x
  2. Step 2: Convert to fraction form
    272,569/376,148.78 = 150,075.63/x
  3. Step 3: Cross multiply
    272,569x = 376,148.78 × 150,075.63
  4. Step 4: Simplify right side
    272,569x = 56,450,765,132.23
  5. Step 5: Solve for x
    x = 56,450,765,132.23/272,569
  6. Step 6: Final answer
    x = 207,106.33

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1.5x scale

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.