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Finding the Fourth Proportional to 146,222.74, 201,787.14 and 79,154.74

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Solution

The fourth proportional to 146,222.74, 201,787.14 and 79,154.74 is: 109,233.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,222.74 : 201,787.14 = 79,154.74 : x
  2. Step 2: Convert to fraction form
    146,222.74/201,787.14 = 79,154.74/x
  3. Step 3: Cross multiply
    146,222.74x = 201,787.14 × 79,154.74
  4. Step 4: Simplify right side
    146,222.74x = 15,972,408,602.04
  5. Step 5: Solve for x
    x = 15,972,408,602.04/146,222.74
  6. Step 6: Final answer
    x = 109,233.41

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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.