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Finding the Fourth Proportional to 111,711.99, 154,014.41 and 92,521.07

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Solution

The fourth proportional to 111,711.99, 154,014.41 and 92,521.07 is: 127,556.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,711.99 : 154,014.41 = 92,521.07 : x
  2. Step 2: Convert to fraction form
    111,711.99/154,014.41 = 92,521.07/x
  3. Step 3: Cross multiply
    111,711.99x = 154,014.41 × 92,521.07
  4. Step 4: Simplify right side
    111,711.99x = 14,249,578,047.40
  5. Step 5: Solve for x
    x = 14,249,578,047.40/111,711.99
  6. Step 6: Final answer
    x = 127,556.38

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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.