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Finding the Fourth Proportional to 243,094.98, 335,489.68 and 134,220.32

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Solution

The fourth proportional to 243,094.98, 335,489.68 and 134,220.32 is: 185,234.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,094.98 : 335,489.68 = 134,220.32 : x
  2. Step 2: Convert to fraction form
    243,094.98/335,489.68 = 134,220.32/x
  3. Step 3: Cross multiply
    243,094.98x = 335,489.68 × 134,220.32
  4. Step 4: Simplify right side
    243,094.98x = 45,029,532,206.30
  5. Step 5: Solve for x
    x = 45,029,532,206.30/243,094.98
  6. Step 6: Final answer
    x = 185,234.32

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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.