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Finding the Fourth Proportional to 110,884.85, 153,021.15 and 59,897.58

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Solution

The fourth proportional to 110,884.85, 153,021.15 and 59,897.58 is: 82,658.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,884.85 : 153,021.15 = 59,897.58 : x
  2. Step 2: Convert to fraction form
    110,884.85/153,021.15 = 59,897.58/x
  3. Step 3: Cross multiply
    110,884.85x = 153,021.15 × 59,897.58
  4. Step 4: Simplify right side
    110,884.85x = 9,165,596,573.82
  5. Step 5: Solve for x
    x = 9,165,596,573.82/110,884.85
  6. Step 6: Final answer
    x = 82,658.69

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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.