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Finding the Fourth Proportional to 162,089.64, 223,415.96 and 108,355.05

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Solution

The fourth proportional to 162,089.64, 223,415.96 and 108,355.05 is: 149,350.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,089.64 : 223,415.96 = 108,355.05 : x
  2. Step 2: Convert to fraction form
    162,089.64/223,415.96 = 108,355.05/x
  3. Step 3: Cross multiply
    162,089.64x = 223,415.96 × 108,355.05
  4. Step 4: Simplify right side
    162,089.64x = 24,208,246,974.82
  5. Step 5: Solve for x
    x = 24,208,246,974.82/162,089.64
  6. Step 6: Final answer
    x = 149,350.98

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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.