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Finding the Fourth Proportional to 316,089.51, 436,081.62 and 195,020.82

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Solution

The fourth proportional to 316,089.51, 436,081.62 and 195,020.82 is: 269,053.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,089.51 : 436,081.62 = 195,020.82 : x
  2. Step 2: Convert to fraction form
    316,089.51/436,081.62 = 195,020.82/x
  3. Step 3: Cross multiply
    316,089.51x = 436,081.62 × 195,020.82
  4. Step 4: Simplify right side
    316,089.51x = 85,044,995,119.33
  5. Step 5: Solve for x
    x = 85,044,995,119.33/316,089.51
  6. Step 6: Final answer
    x = 269,053.52

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1.5x scale

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.