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Finding the Fourth Proportional to 162,558.10, 224,338.64 and 90,939.32

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Solution

The fourth proportional to 162,558.10, 224,338.64 and 90,939.32 is: 125,501.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,558.10 : 224,338.64 = 90,939.32 : x
  2. Step 2: Convert to fraction form
    162,558.10/224,338.64 = 90,939.32/x
  3. Step 3: Cross multiply
    162,558.10x = 224,338.64 × 90,939.32
  4. Step 4: Simplify right side
    162,558.10x = 20,401,203,371.32
  5. Step 5: Solve for x
    x = 20,401,203,371.32/162,558.10
  6. Step 6: Final answer
    x = 125,501.00

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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.