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Finding the Fourth Proportional to 111,574.97, 167,362.45 and 28,468.97

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Solution

The fourth proportional to 111,574.97, 167,362.45 and 28,468.97 is: 42,703.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,574.97 : 167,362.45 = 28,468.97 : x
  2. Step 2: Convert to fraction form
    111,574.97/167,362.45 = 28,468.97/x
  3. Step 3: Cross multiply
    111,574.97x = 167,362.45 × 28,468.97
  4. Step 4: Simplify right side
    111,574.97x = 4,764,636,447.94
  5. Step 5: Solve for x
    x = 4,764,636,447.94/111,574.97
  6. Step 6: Final answer
    x = 42,703.45

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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.