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Finding the Fourth Proportional to 162,912.93, 224,825.91 and 91,290.30

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Solution

The fourth proportional to 162,912.93, 224,825.91 and 91,290.30 is: 125,984.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,912.93 : 224,825.91 = 91,290.30 : x
  2. Step 2: Convert to fraction form
    162,912.93/224,825.91 = 91,290.30/x
  3. Step 3: Cross multiply
    162,912.93x = 224,825.91 × 91,290.30
  4. Step 4: Simplify right side
    162,912.93x = 20,524,424,771.67
  5. Step 5: Solve for x
    x = 20,524,424,771.67/162,912.93
  6. Step 6: Final answer
    x = 125,984.01

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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.