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Finding the Fourth Proportional to 162,393.40, 224,102.10 and 90,773.20

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Solution

The fourth proportional to 162,393.40, 224,102.10 and 90,773.20 is: 125,266.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,393.40 : 224,102.10 = 90,773.20 : x
  2. Step 2: Convert to fraction form
    162,393.40/224,102.10 = 90,773.20/x
  3. Step 3: Cross multiply
    162,393.40x = 224,102.10 × 90,773.20
  4. Step 4: Simplify right side
    162,393.40x = 20,342,464,743.72
  5. Step 5: Solve for x
    x = 20,342,464,743.72/162,393.40
  6. Step 6: Final answer
    x = 125,266.57

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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.