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Finding the Fourth Proportional to 176,428.62, 264,648.12 and 43,308.87

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Solution

The fourth proportional to 176,428.62, 264,648.12 and 43,308.87 is: 64,964.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,428.62 : 264,648.12 = 43,308.87 : x
  2. Step 2: Convert to fraction form
    176,428.62/264,648.12 = 43,308.87/x
  3. Step 3: Cross multiply
    176,428.62x = 264,648.12 × 43,308.87
  4. Step 4: Simplify right side
    176,428.62x = 11,461,611,358.63
  5. Step 5: Solve for x
    x = 11,461,611,358.63/176,428.62
  6. Step 6: Final answer
    x = 64,964.58

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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.