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Finding the Fourth Proportional to 175,888.68, 242,738.42 and 99,381.32

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Solution

The fourth proportional to 175,888.68, 242,738.42 and 99,381.32 is: 137,153.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,888.68 : 242,738.42 = 99,381.32 : x
  2. Step 2: Convert to fraction form
    175,888.68/242,738.42 = 99,381.32/x
  3. Step 3: Cross multiply
    175,888.68x = 242,738.42 × 99,381.32
  4. Step 4: Simplify right side
    175,888.68x = 24,123,664,594.31
  5. Step 5: Solve for x
    x = 24,123,664,594.31/175,888.68
  6. Step 6: Final answer
    x = 137,153.03

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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.