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Finding the Fourth Proportional to 161,148.30, 241,722.45 and 146,114.70

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Solution

The fourth proportional to 161,148.30, 241,722.45 and 146,114.70 is: 219,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,148.30 : 241,722.45 = 146,114.70 : x
  2. Step 2: Convert to fraction form
    161,148.30/241,722.45 = 146,114.70/x
  3. Step 3: Cross multiply
    161,148.30x = 241,722.45 × 146,114.70
  4. Step 4: Simplify right side
    161,148.30x = 35,319,203,265.02
  5. Step 5: Solve for x
    x = 35,319,203,265.02/161,148.30
  6. Step 6: Final answer
    x = 219,172.05

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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.