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Finding the Fourth Proportional to 161,788.96, 242,683.44 and 161,555.32

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Solution

The fourth proportional to 161,788.96, 242,683.44 and 161,555.32 is: 242,332.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,788.96 : 242,683.44 = 161,555.32 : x
  2. Step 2: Convert to fraction form
    161,788.96/242,683.44 = 161,555.32/x
  3. Step 3: Cross multiply
    161,788.96x = 242,683.44 × 161,555.32
  4. Step 4: Simplify right side
    161,788.96x = 39,206,800,807.90
  5. Step 5: Solve for x
    x = 39,206,800,807.90/161,788.96
  6. Step 6: Final answer
    x = 242,332.98

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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.