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Finding the Fourth Proportional to 96,278.40, 144,460.80 and 43,660.80

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Solution

The fourth proportional to 96,278.40, 144,460.80 and 43,660.80 is: 65,510.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,278.40 : 144,460.80 = 43,660.80 : x
  2. Step 2: Convert to fraction form
    96,278.40/144,460.80 = 43,660.80/x
  3. Step 3: Cross multiply
    96,278.40x = 144,460.80 × 43,660.80
  4. Step 4: Simplify right side
    96,278.40x = 6,307,274,096.64
  5. Step 5: Solve for x
    x = 6,307,274,096.64/96,278.40
  6. Step 6: Final answer
    x = 65,510.79

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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.