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Finding the Fourth Proportional to 105,998.04, 158,898.21 and 35,828.28

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Solution

The fourth proportional to 105,998.04, 158,898.21 and 35,828.28 is: 53,709.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,998.04 : 158,898.21 = 35,828.28 : x
  2. Step 2: Convert to fraction form
    105,998.04/158,898.21 = 35,828.28/x
  3. Step 3: Cross multiply
    105,998.04x = 158,898.21 × 35,828.28
  4. Step 4: Simplify right side
    105,998.04x = 5,693,049,559.38
  5. Step 5: Solve for x
    x = 5,693,049,559.38/105,998.04
  6. Step 6: Final answer
    x = 53,709.01

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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.