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Finding the Fourth Proportional to 162,980.22, 224,912.43 and 91,360.29

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Solution

The fourth proportional to 162,980.22, 224,912.43 and 91,360.29 is: 126,077.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,980.22 : 224,912.43 = 91,360.29 : x
  2. Step 2: Convert to fraction form
    162,980.22/224,912.43 = 91,360.29/x
  3. Step 3: Cross multiply
    162,980.22x = 224,912.43 × 91,360.29
  4. Step 4: Simplify right side
    162,980.22x = 20,548,064,829.40
  5. Step 5: Solve for x
    x = 20,548,064,829.40/162,980.22
  6. Step 6: Final answer
    x = 126,077.05

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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.