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Finding the Fourth Proportional to 227,648.55, 314,153.28 and 125,674.05

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Solution

The fourth proportional to 227,648.55, 314,153.28 and 125,674.05 is: 173,429.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,648.55 : 314,153.28 = 125,674.05 : x
  2. Step 2: Convert to fraction form
    227,648.55/314,153.28 = 125,674.05/x
  3. Step 3: Cross multiply
    227,648.55x = 314,153.28 × 125,674.05
  4. Step 4: Simplify right side
    227,648.55x = 39,480,915,018.38
  5. Step 5: Solve for x
    x = 39,480,915,018.38/227,648.55
  6. Step 6: Final answer
    x = 173,429.24

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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.