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Finding the Fourth Proportional to 95,516.40, 143,303.40 and 51,164.40

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Solution

The fourth proportional to 95,516.40, 143,303.40 and 51,164.40 is: 76,762.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,516.40 : 143,303.40 = 51,164.40 : x
  2. Step 2: Convert to fraction form
    95,516.40/143,303.40 = 51,164.40/x
  3. Step 3: Cross multiply
    95,516.40x = 143,303.40 × 51,164.40
  4. Step 4: Simplify right side
    95,516.40x = 7,332,032,478.96
  5. Step 5: Solve for x
    x = 7,332,032,478.96/95,516.40
  6. Step 6: Final answer
    x = 76,762.03

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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.