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Finding the Fourth Proportional to 176,483.88, 264,758.64 and 71,376.60

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Solution

The fourth proportional to 176,483.88, 264,758.64 and 71,376.60 is: 107,078.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,483.88 : 264,758.64 = 71,376.60 : x
  2. Step 2: Convert to fraction form
    176,483.88/264,758.64 = 71,376.60/x
  3. Step 3: Cross multiply
    176,483.88x = 264,758.64 × 71,376.60
  4. Step 4: Simplify right side
    176,483.88x = 18,897,571,543.82
  5. Step 5: Solve for x
    x = 18,897,571,543.82/176,483.88
  6. Step 6: Final answer
    x = 107,078.17

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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.