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Finding the Fourth Proportional to 255,122.65, 382,770.44 and 112,948.31

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Solution

The fourth proportional to 255,122.65, 382,770.44 and 112,948.31 is: 169,460.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,122.65 : 382,770.44 = 112,948.31 : x
  2. Step 2: Convert to fraction form
    255,122.65/382,770.44 = 112,948.31/x
  3. Step 3: Cross multiply
    255,122.65x = 382,770.44 × 112,948.31
  4. Step 4: Simplify right side
    255,122.65x = 43,233,274,315.96
  5. Step 5: Solve for x
    x = 43,233,274,315.96/255,122.65
  6. Step 6: Final answer
    x = 169,460.74

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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.