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Finding the Fourth Proportional to 270,703.70, 373,566.59 and 149,842.40

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Solution

The fourth proportional to 270,703.70, 373,566.59 and 149,842.40 is: 206,780.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,703.70 : 373,566.59 = 149,842.40 : x
  2. Step 2: Convert to fraction form
    270,703.70/373,566.59 = 149,842.40/x
  3. Step 3: Cross multiply
    270,703.70x = 373,566.59 × 149,842.40
  4. Step 4: Simplify right side
    270,703.70x = 55,976,111,788.37
  5. Step 5: Solve for x
    x = 55,976,111,788.37/270,703.70
  6. Step 6: Final answer
    x = 206,780.00

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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.