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Finding the Fourth Proportional to 162,089.36, 223,786.04 and 111,187.36

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Solution

The fourth proportional to 162,089.36, 223,786.04 and 111,187.36 is: 153,509.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,089.36 : 223,786.04 = 111,187.36 : x
  2. Step 2: Convert to fraction form
    162,089.36/223,786.04 = 111,187.36/x
  3. Step 3: Cross multiply
    162,089.36x = 223,786.04 × 111,187.36
  4. Step 4: Simplify right side
    162,089.36x = 24,882,178,992.45
  5. Step 5: Solve for x
    x = 24,882,178,992.45/162,089.36
  6. Step 6: Final answer
    x = 153,509.02

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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.