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Finding the Fourth Proportional to 222,757.38, 334,135.98 and 64,985.76

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Solution

The fourth proportional to 222,757.38, 334,135.98 and 64,985.76 is: 97,478.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,757.38 : 334,135.98 = 64,985.76 : x
  2. Step 2: Convert to fraction form
    222,757.38/334,135.98 = 64,985.76/x
  3. Step 3: Cross multiply
    222,757.38x = 334,135.98 × 64,985.76
  4. Step 4: Simplify right side
    222,757.38x = 21,714,080,603.64
  5. Step 5: Solve for x
    x = 21,714,080,603.64/222,757.38
  6. Step 6: Final answer
    x = 97,478.61

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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.