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Finding the Fourth Proportional to 176,043.87, 242,933.99 and 104,381.01

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Solution

The fourth proportional to 176,043.87, 242,933.99 and 104,381.01 is: 144,041.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,043.87 : 242,933.99 = 104,381.01 : x
  2. Step 2: Convert to fraction form
    176,043.87/242,933.99 = 104,381.01/x
  3. Step 3: Cross multiply
    176,043.87x = 242,933.99 × 104,381.01
  4. Step 4: Simplify right side
    176,043.87x = 25,357,694,717.62
  5. Step 5: Solve for x
    x = 25,357,694,717.62/176,043.87
  6. Step 6: Final answer
    x = 144,041.91

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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.