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Finding the Fourth Proportional to 227,443.16, 313,871.56 and 125,468.87

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Solution

The fourth proportional to 227,443.16, 313,871.56 and 125,468.87 is: 173,147.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,443.16 : 313,871.56 = 125,468.87 : x
  2. Step 2: Convert to fraction form
    227,443.16/313,871.56 = 125,468.87/x
  3. Step 3: Cross multiply
    227,443.16x = 313,871.56 × 125,468.87
  4. Step 4: Simplify right side
    227,443.16x = 39,381,108,075.31
  5. Step 5: Solve for x
    x = 39,381,108,075.31/227,443.16
  6. Step 6: Final answer
    x = 173,147.03

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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.