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Finding the Fourth Proportional to 76,019.40, 114,018.30 and 26,101.80

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Solution

The fourth proportional to 76,019.40, 114,018.30 and 26,101.80 is: 39,148.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,019.40 : 114,018.30 = 26,101.80 : x
  2. Step 2: Convert to fraction form
    76,019.40/114,018.30 = 26,101.80/x
  3. Step 3: Cross multiply
    76,019.40x = 114,018.30 × 26,101.80
  4. Step 4: Simplify right side
    76,019.40x = 2,976,082,862.94
  5. Step 5: Solve for x
    x = 2,976,082,862.94/76,019.40
  6. Step 6: Final answer
    x = 39,148.99

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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.