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Finding the Fourth Proportional to 98,835.63, 136,393.49 and 53,514.11

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Solution

The fourth proportional to 98,835.63, 136,393.49 and 53,514.11 is: 73,849.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,835.63 : 136,393.49 = 53,514.11 : x
  2. Step 2: Convert to fraction form
    98,835.63/136,393.49 = 53,514.11/x
  3. Step 3: Cross multiply
    98,835.63x = 136,393.49 × 53,514.11
  4. Step 4: Simplify right side
    98,835.63x = 7,298,976,227.14
  5. Step 5: Solve for x
    x = 7,298,976,227.14/98,835.63
  6. Step 6: Final answer
    x = 73,849.65

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