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Finding the Fourth Proportional to 95,323.86, 143,004.42 and 28,769.40

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Solution

The fourth proportional to 95,323.86, 143,004.42 and 28,769.40 is: 43,159.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,323.86 : 143,004.42 = 28,769.40 : x
  2. Step 2: Convert to fraction form
    95,323.86/143,004.42 = 28,769.40/x
  3. Step 3: Cross multiply
    95,323.86x = 143,004.42 × 28,769.40
  4. Step 4: Simplify right side
    95,323.86x = 4,114,151,360.75
  5. Step 5: Solve for x
    x = 4,114,151,360.75/95,323.86
  6. Step 6: Final answer
    x = 43,159.72

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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.