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Finding the Fourth Proportional to 95,383.16, 143,041.69 and 47,979.93

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Solution

The fourth proportional to 95,383.16, 143,041.69 and 47,979.93 is: 71,953.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,383.16 : 143,041.69 = 47,979.93 : x
  2. Step 2: Convert to fraction form
    95,383.16/143,041.69 = 47,979.93/x
  3. Step 3: Cross multiply
    95,383.16x = 143,041.69 × 47,979.93
  4. Step 4: Simplify right side
    95,383.16x = 6,863,130,273.28
  5. Step 5: Solve for x
    x = 6,863,130,273.28/95,383.16
  6. Step 6: Final answer
    x = 71,953.27

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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.