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Finding the Fourth Proportional to 98,622, 136,107.88 and 58,348.70

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Solution

The fourth proportional to 98,622, 136,107.88 and 58,348.70 is: 80,526.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,622 : 136,107.88 = 58,348.70 : x
  2. Step 2: Convert to fraction form
    98,622/136,107.88 = 58,348.70/x
  3. Step 3: Cross multiply
    98,622x = 136,107.88 × 58,348.70
  4. Step 4: Simplify right side
    98,622x = 7,941,717,857.76
  5. Step 5: Solve for x
    x = 7,941,717,857.76/98,622
  6. Step 6: Final answer
    x = 80,526.84

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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.