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Finding the Fourth Proportional to 451,488.51, 677,225.88 and 109,935.15

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Solution

The fourth proportional to 451,488.51, 677,225.88 and 109,935.15 is: 164,901.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,488.51 : 677,225.88 = 109,935.15 : x
  2. Step 2: Convert to fraction form
    451,488.51/677,225.88 = 109,935.15/x
  3. Step 3: Cross multiply
    451,488.51x = 677,225.88 × 109,935.15
  4. Step 4: Simplify right side
    451,488.51x = 74,450,928,701.68
  5. Step 5: Solve for x
    x = 74,450,928,701.68/451,488.51
  6. Step 6: Final answer
    x = 164,901.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.