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Finding the Fourth Proportional to 161,148.42, 241,722.90 and 55,893.38

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Solution

The fourth proportional to 161,148.42, 241,722.90 and 55,893.38 is: 83,840.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,148.42 : 241,722.90 = 55,893.38 : x
  2. Step 2: Convert to fraction form
    161,148.42/241,722.90 = 55,893.38/x
  3. Step 3: Cross multiply
    161,148.42x = 241,722.90 × 55,893.38
  4. Step 4: Simplify right side
    161,148.42x = 13,510,708,695.79
  5. Step 5: Solve for x
    x = 13,510,708,695.79/161,148.42
  6. Step 6: Final answer
    x = 83,840.16

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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.