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Finding the Fourth Proportional to 162,090.32, 223,697.32 and 90,481.10

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Solution

The fourth proportional to 162,090.32, 223,697.32 and 90,481.10 is: 124,871.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,090.32 : 223,697.32 = 90,481.10 : x
  2. Step 2: Convert to fraction form
    162,090.32/223,697.32 = 90,481.10/x
  3. Step 3: Cross multiply
    162,090.32x = 223,697.32 × 90,481.10
  4. Step 4: Simplify right side
    162,090.32x = 20,240,379,580.65
  5. Step 5: Solve for x
    x = 20,240,379,580.65/162,090.32
  6. Step 6: Final answer
    x = 124,871.00

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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.