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Finding the Fourth Proportional to 102,995.80, 154,608.90 and 96,227.80

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Solution

The fourth proportional to 102,995.80, 154,608.90 and 96,227.80 is: 144,449.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,995.80 : 154,608.90 = 96,227.80 : x
  2. Step 2: Convert to fraction form
    102,995.80/154,608.90 = 96,227.80/x
  3. Step 3: Cross multiply
    102,995.80x = 154,608.90 × 96,227.80
  4. Step 4: Simplify right side
    102,995.80x = 14,877,674,307.42
  5. Step 5: Solve for x
    x = 14,877,674,307.42/102,995.80
  6. Step 6: Final answer
    x = 144,449.33

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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.