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Finding the Fourth Proportional to 222,871.80, 334,308.48 and 56,659.80

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Solution

The fourth proportional to 222,871.80, 334,308.48 and 56,659.80 is: 84,989.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,871.80 : 334,308.48 = 56,659.80 : x
  2. Step 2: Convert to fraction form
    222,871.80/334,308.48 = 56,659.80/x
  3. Step 3: Cross multiply
    222,871.80x = 334,308.48 × 56,659.80
  4. Step 4: Simplify right side
    222,871.80x = 18,941,851,615.10
  5. Step 5: Solve for x
    x = 18,941,851,615.10/222,871.80
  6. Step 6: Final answer
    x = 84,989.90

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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.