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Finding the Fourth Proportional to 161,300.08, 241,989.81 and 56,119.96

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Solution

The fourth proportional to 161,300.08, 241,989.81 and 56,119.96 is: 84,193.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,300.08 : 241,989.81 = 56,119.96 : x
  2. Step 2: Convert to fraction form
    161,300.08/241,989.81 = 56,119.96/x
  3. Step 3: Cross multiply
    161,300.08x = 241,989.81 × 56,119.96
  4. Step 4: Simplify right side
    161,300.08x = 13,580,458,457.61
  5. Step 5: Solve for x
    x = 13,580,458,457.61/161,300.08
  6. Step 6: Final answer
    x = 84,193.75

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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.