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Finding the Fourth Proportional to 162,941.70, 224,855.68 and 90,344.22

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Solution

The fourth proportional to 162,941.70, 224,855.68 and 90,344.22 is: 124,672.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,941.70 : 224,855.68 = 90,344.22 : x
  2. Step 2: Convert to fraction form
    162,941.70/224,855.68 = 90,344.22/x
  3. Step 3: Cross multiply
    162,941.70x = 224,855.68 × 90,344.22
  4. Step 4: Simplify right side
    162,941.70x = 20,314,411,022.17
  5. Step 5: Solve for x
    x = 20,314,411,022.17/162,941.70
  6. Step 6: Final answer
    x = 124,672.88

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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.