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Finding the Fourth Proportional to 224,076.40, 336,017.40 and 90,912.40

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Solution

The fourth proportional to 224,076.40, 336,017.40 and 90,912.40 is: 136,329.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,076.40 : 336,017.40 = 90,912.40 : x
  2. Step 2: Convert to fraction form
    224,076.40/336,017.40 = 90,912.40/x
  3. Step 3: Cross multiply
    224,076.40x = 336,017.40 × 90,912.40
  4. Step 4: Simplify right side
    224,076.40x = 30,548,148,275.76
  5. Step 5: Solve for x
    x = 30,548,148,275.76/224,076.40
  6. Step 6: Final answer
    x = 136,329.16

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1.5x scale

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.