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Finding the Fourth Proportional to 175,963.88, 242,561.43 and 107,854.62

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Solution

The fourth proportional to 175,963.88, 242,561.43 and 107,854.62 is: 148,674.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,963.88 : 242,561.43 = 107,854.62 : x
  2. Step 2: Convert to fraction form
    175,963.88/242,561.43 = 107,854.62/x
  3. Step 3: Cross multiply
    175,963.88x = 242,561.43 × 107,854.62
  4. Step 4: Simplify right side
    175,963.88x = 26,161,370,859.31
  5. Step 5: Solve for x
    x = 26,161,370,859.31/175,963.88
  6. Step 6: Final answer
    x = 148,674.67

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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.