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Finding the Fourth Proportional to 98,596, 136,065.84 and 53,886.88

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Solution

The fourth proportional to 98,596, 136,065.84 and 53,886.88 is: 74,365.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,596 : 136,065.84 = 53,886.88 : x
  2. Step 2: Convert to fraction form
    98,596/136,065.84 = 53,886.88/x
  3. Step 3: Cross multiply
    98,596x = 136,065.84 × 53,886.88
  4. Step 4: Simplify right side
    98,596x = 7,332,163,592.18
  5. Step 5: Solve for x
    x = 7,332,163,592.18/98,596
  6. Step 6: Final answer
    x = 74,365.73

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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.