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Finding the Fourth Proportional to 95,477.28, 143,108.28 and 45,516.48

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Solution

The fourth proportional to 95,477.28, 143,108.28 and 45,516.48 is: 68,223.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,477.28 : 143,108.28 = 45,516.48 : x
  2. Step 2: Convert to fraction form
    95,477.28/143,108.28 = 45,516.48/x
  3. Step 3: Cross multiply
    95,477.28x = 143,108.28 × 45,516.48
  4. Step 4: Simplify right side
    95,477.28x = 6,513,785,164.45
  5. Step 5: Solve for x
    x = 6,513,785,164.45/95,477.28
  6. Step 6: Final answer
    x = 68,223.41

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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.