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Finding the Fourth Proportional to 95,148, 131,477.45 and 90,536.16

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Solution

The fourth proportional to 95,148, 131,477.45 and 90,536.16 is: 125,104.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,148 : 131,477.45 = 90,536.16 : x
  2. Step 2: Convert to fraction form
    95,148/131,477.45 = 90,536.16/x
  3. Step 3: Cross multiply
    95,148x = 131,477.45 × 90,536.16
  4. Step 4: Simplify right side
    95,148x = 11,903,462,996.91
  5. Step 5: Solve for x
    x = 11,903,462,996.91/95,148
  6. Step 6: Final answer
    x = 125,104.71

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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.