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Finding the Fourth Proportional to 95,964.60, 143,946.90 and 49,308.60

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Solution

The fourth proportional to 95,964.60, 143,946.90 and 49,308.60 is: 73,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,964.60 : 143,946.90 = 49,308.60 : x
  2. Step 2: Convert to fraction form
    95,964.60/143,946.90 = 49,308.60/x
  3. Step 3: Cross multiply
    95,964.60x = 143,946.90 × 49,308.60
  4. Step 4: Simplify right side
    95,964.60x = 7,097,820,113.34
  5. Step 5: Solve for x
    x = 7,097,820,113.34/95,964.60
  6. Step 6: Final answer
    x = 73,962.90

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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.