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Finding the Fourth Proportional to 59,425.36, 81,834.16 and 55,626.40

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Solution

The fourth proportional to 59,425.36, 81,834.16 and 55,626.40 is: 76,602.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,425.36 : 81,834.16 = 55,626.40 : x
  2. Step 2: Convert to fraction form
    59,425.36/81,834.16 = 55,626.40/x
  3. Step 3: Cross multiply
    59,425.36x = 81,834.16 × 55,626.40
  4. Step 4: Simplify right side
    59,425.36x = 4,552,139,717.82
  5. Step 5: Solve for x
    x = 4,552,139,717.82/59,425.36
  6. Step 6: Final answer
    x = 76,602.64

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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.