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Finding the Fourth Proportional to 172,065.88, 237,457.56 and 95,590.72

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Solution

The fourth proportional to 172,065.88, 237,457.56 and 95,590.72 is: 131,918.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,065.88 : 237,457.56 = 95,590.72 : x
  2. Step 2: Convert to fraction form
    172,065.88/237,457.56 = 95,590.72/x
  3. Step 3: Cross multiply
    172,065.88x = 237,457.56 × 95,590.72
  4. Step 4: Simplify right side
    172,065.88x = 22,698,739,129.84
  5. Step 5: Solve for x
    x = 22,698,739,129.84/172,065.88
  6. Step 6: Final answer
    x = 131,918.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.