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Finding the Fourth Proportional to 224,632.88, 336,836.58 and 74,820.48

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Solution

The fourth proportional to 224,632.88, 336,836.58 and 74,820.48 is: 112,193.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,632.88 : 336,836.58 = 74,820.48 : x
  2. Step 2: Convert to fraction form
    224,632.88/336,836.58 = 74,820.48/x
  3. Step 3: Cross multiply
    224,632.88x = 336,836.58 × 74,820.48
  4. Step 4: Simplify right side
    224,632.88x = 25,202,274,597.16
  5. Step 5: Solve for x
    x = 25,202,274,597.16/224,632.88
  6. Step 6: Final answer
    x = 112,193.17

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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.