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Finding the Fourth Proportional to 223,387.80, 335,081.70 and 134,814.30

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Solution

The fourth proportional to 223,387.80, 335,081.70 and 134,814.30 is: 202,221.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,387.80 : 335,081.70 = 134,814.30 : x
  2. Step 2: Convert to fraction form
    223,387.80/335,081.70 = 134,814.30/x
  3. Step 3: Cross multiply
    223,387.80x = 335,081.70 × 134,814.30
  4. Step 4: Simplify right side
    223,387.80x = 45,173,804,828.31
  5. Step 5: Solve for x
    x = 45,173,804,828.31/223,387.80
  6. Step 6: Final answer
    x = 202,221.45

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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.