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Finding the Fourth Proportional to 224,740.20, 336,672.90 and 124,721.40

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Solution

The fourth proportional to 224,740.20, 336,672.90 and 124,721.40 is: 186,839.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,740.20 : 336,672.90 = 124,721.40 : x
  2. Step 2: Convert to fraction form
    224,740.20/336,672.90 = 124,721.40/x
  3. Step 3: Cross multiply
    224,740.20x = 336,672.90 × 124,721.40
  4. Step 4: Simplify right side
    224,740.20x = 41,990,315,430.06
  5. Step 5: Solve for x
    x = 41,990,315,430.06/224,740.20
  6. Step 6: Final answer
    x = 186,839.36

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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.