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Finding the Fourth Proportional to 223,840.80, 335,820.60 and 97,426.80

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Solution

The fourth proportional to 223,840.80, 335,820.60 and 97,426.80 is: 146,166.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,840.80 : 335,820.60 = 97,426.80 : x
  2. Step 2: Convert to fraction form
    223,840.80/335,820.60 = 97,426.80/x
  3. Step 3: Cross multiply
    223,840.80x = 335,820.60 × 97,426.80
  4. Step 4: Simplify right side
    223,840.80x = 32,717,926,432.08
  5. Step 5: Solve for x
    x = 32,717,926,432.08/223,840.80
  6. Step 6: Final answer
    x = 146,166.05

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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.