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Finding the Fourth Proportional to 451,030.13, 676,585.16 and 118,606.13

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Solution

The fourth proportional to 451,030.13, 676,585.16 and 118,606.13 is: 177,919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,030.13 : 676,585.16 = 118,606.13 : x
  2. Step 2: Convert to fraction form
    451,030.13/676,585.16 = 118,606.13/x
  3. Step 3: Cross multiply
    451,030.13x = 676,585.16 × 118,606.13
  4. Step 4: Simplify right side
    451,030.13x = 80,247,143,467.07
  5. Step 5: Solve for x
    x = 80,247,143,467.07/451,030.13
  6. Step 6: Final answer
    x = 177,919.70

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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.