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Finding the Fourth Proportional to 223,415.40, 335,171.70 and 73,630.20

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Solution

The fourth proportional to 223,415.40, 335,171.70 and 73,630.20 is: 110,461.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,415.40 : 335,171.70 = 73,630.20 : x
  2. Step 2: Convert to fraction form
    223,415.40/335,171.70 = 73,630.20/x
  3. Step 3: Cross multiply
    223,415.40x = 335,171.70 × 73,630.20
  4. Step 4: Simplify right side
    223,415.40x = 24,678,759,305.34
  5. Step 5: Solve for x
    x = 24,678,759,305.34/223,415.40
  6. Step 6: Final answer
    x = 110,461.32

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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.