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Finding the Fourth Proportional to 95,504.69, 143,121.21 and 70,346.90

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Solution

The fourth proportional to 95,504.69, 143,121.21 and 70,346.90 is: 105,420.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,504.69 : 143,121.21 = 70,346.90 : x
  2. Step 2: Convert to fraction form
    95,504.69/143,121.21 = 70,346.90/x
  3. Step 3: Cross multiply
    95,504.69x = 143,121.21 × 70,346.90
  4. Step 4: Simplify right side
    95,504.69x = 10,068,133,447.75
  5. Step 5: Solve for x
    x = 10,068,133,447.75/95,504.69
  6. Step 6: Final answer
    x = 105,420.30

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1.5x scale

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.