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Finding the Fourth Proportional to 315,362.73, 473,106.39 and 115,684.95

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Solution

The fourth proportional to 315,362.73, 473,106.39 and 115,684.95 is: 173,550.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,362.73 : 473,106.39 = 115,684.95 : x
  2. Step 2: Convert to fraction form
    315,362.73/473,106.39 = 115,684.95/x
  3. Step 3: Cross multiply
    315,362.73x = 473,106.39 × 115,684.95
  4. Step 4: Simplify right side
    315,362.73x = 54,731,289,071.83
  5. Step 5: Solve for x
    x = 54,731,289,071.83/315,362.73
  6. Step 6: Final answer
    x = 173,550.28

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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.