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Finding the Fourth Proportional to 222,779.80, 334,169.70 and 134,206.30

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Solution

The fourth proportional to 222,779.80, 334,169.70 and 134,206.30 is: 201,309.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,779.80 : 334,169.70 = 134,206.30 : x
  2. Step 2: Convert to fraction form
    222,779.80/334,169.70 = 134,206.30/x
  3. Step 3: Cross multiply
    222,779.80x = 334,169.70 × 134,206.30
  4. Step 4: Simplify right side
    222,779.80x = 44,847,679,009.11
  5. Step 5: Solve for x
    x = 44,847,679,009.11/222,779.80
  6. Step 6: Final answer
    x = 201,309.45

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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.