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Finding the Fourth Proportional to 260,373.48, 359,315.94 and 141,141.48

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Solution

The fourth proportional to 260,373.48, 359,315.94 and 141,141.48 is: 194,775.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,373.48 : 359,315.94 = 141,141.48 : x
  2. Step 2: Convert to fraction form
    260,373.48/359,315.94 = 141,141.48/x
  3. Step 3: Cross multiply
    260,373.48x = 359,315.94 × 141,141.48
  4. Step 4: Simplify right side
    260,373.48x = 50,714,383,559.19
  5. Step 5: Solve for x
    x = 50,714,383,559.19/260,373.48
  6. Step 6: Final answer
    x = 194,775.53

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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.