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Finding the Fourth Proportional to 154,491.10, 216,754.10 and 154,491.10

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Solution

The fourth proportional to 154,491.10, 216,754.10 and 154,491.10 is: 216,754.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,491.10 : 216,754.10 = 154,491.10 : x
  2. Step 2: Convert to fraction form
    154,491.10/216,754.10 = 154,491.10/x
  3. Step 3: Cross multiply
    154,491.10x = 216,754.10 × 154,491.10
  4. Step 4: Simplify right side
    154,491.10x = 33,486,579,338.51
  5. Step 5: Solve for x
    x = 33,486,579,338.51/154,491.10
  6. Step 6: Final answer
    x = 216,754.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.