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Finding the Fourth Proportional to 95,458.60, 143,151.45 and 28,876.60

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Solution

The fourth proportional to 95,458.60, 143,151.45 and 28,876.60 is: 43,303.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,458.60 : 143,151.45 = 28,876.60 : x
  2. Step 2: Convert to fraction form
    95,458.60/143,151.45 = 28,876.60/x
  3. Step 3: Cross multiply
    95,458.60x = 143,151.45 × 28,876.60
  4. Step 4: Simplify right side
    95,458.60x = 4,133,727,161.07
  5. Step 5: Solve for x
    x = 4,133,727,161.07/95,458.60
  6. Step 6: Final answer
    x = 43,303.87

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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.