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Finding the Fourth Proportional to 145,523.08, 218,284.68 and 65,467.54

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Solution

The fourth proportional to 145,523.08, 218,284.68 and 65,467.54 is: 98,201.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,523.08 : 218,284.68 = 65,467.54 : x
  2. Step 2: Convert to fraction form
    145,523.08/218,284.68 = 65,467.54/x
  3. Step 3: Cross multiply
    145,523.08x = 218,284.68 × 65,467.54
  4. Step 4: Simplify right side
    145,523.08x = 14,290,561,019.29
  5. Step 5: Solve for x
    x = 14,290,561,019.29/145,523.08
  6. Step 6: Final answer
    x = 98,201.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.