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Finding the Fourth Proportional to 110,195.76, 152,070.36 and 59,894.64

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Solution

The fourth proportional to 110,195.76, 152,070.36 and 59,894.64 is: 82,654.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,195.76 : 152,070.36 = 59,894.64 : x
  2. Step 2: Convert to fraction form
    110,195.76/152,070.36 = 59,894.64/x
  3. Step 3: Cross multiply
    110,195.76x = 152,070.36 × 59,894.64
  4. Step 4: Simplify right side
    110,195.76x = 9,108,199,466.87
  5. Step 5: Solve for x
    x = 9,108,199,466.87/110,195.76
  6. Step 6: Final answer
    x = 82,654.72

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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.