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Finding the Fourth Proportional to 61,149.48, 91,714.38 and 16,765.93

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Solution

The fourth proportional to 61,149.48, 91,714.38 and 16,765.93 is: 25,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,149.48 : 91,714.38 = 16,765.93 : x
  2. Step 2: Convert to fraction form
    61,149.48/91,714.38 = 16,765.93/x
  3. Step 3: Cross multiply
    61,149.48x = 91,714.38 × 16,765.93
  4. Step 4: Simplify right side
    61,149.48x = 1,537,676,875.07
  5. Step 5: Solve for x
    x = 1,537,676,875.07/61,149.48
  6. Step 6: Final answer
    x = 25,146.20

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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.