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Finding the Fourth Proportional to 176,012.90, 264,019.35 and 156,659.30

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Solution

The fourth proportional to 176,012.90, 264,019.35 and 156,659.30 is: 234,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,012.90 : 264,019.35 = 156,659.30 : x
  2. Step 2: Convert to fraction form
    176,012.90/264,019.35 = 156,659.30/x
  3. Step 3: Cross multiply
    176,012.90x = 264,019.35 × 156,659.30
  4. Step 4: Simplify right side
    176,012.90x = 41,361,086,557.46
  5. Step 5: Solve for x
    x = 41,361,086,557.46/176,012.90
  6. Step 6: Final answer
    x = 234,988.95

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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.