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Finding the Fourth Proportional to 161,154.72, 241,712.82 and 42,835.14

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Solution

The fourth proportional to 161,154.72, 241,712.82 and 42,835.14 is: 64,247.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,154.72 : 241,712.82 = 42,835.14 : x
  2. Step 2: Convert to fraction form
    161,154.72/241,712.82 = 42,835.14/x
  3. Step 3: Cross multiply
    161,154.72x = 241,712.82 × 42,835.14
  4. Step 4: Simplify right side
    161,154.72x = 10,353,802,484.49
  5. Step 5: Solve for x
    x = 10,353,802,484.49/161,154.72
  6. Step 6: Final answer
    x = 64,247.59

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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.