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Finding the Fourth Proportional to 195,166.88, 269,330.29 and 105,742.88

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Solution

The fourth proportional to 195,166.88, 269,330.29 and 105,742.88 is: 145,925.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,166.88 : 269,330.29 = 105,742.88 : x
  2. Step 2: Convert to fraction form
    195,166.88/269,330.29 = 105,742.88/x
  3. Step 3: Cross multiply
    195,166.88x = 269,330.29 × 105,742.88
  4. Step 4: Simplify right side
    195,166.88x = 28,479,758,924.83
  5. Step 5: Solve for x
    x = 28,479,758,924.83/195,166.88
  6. Step 6: Final answer
    x = 145,925.17

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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.