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Finding the Fourth Proportional to 272,305.11, 408,501.41 and 114,578.67

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Solution

The fourth proportional to 272,305.11, 408,501.41 and 114,578.67 is: 171,886.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,305.11 : 408,501.41 = 114,578.67 : x
  2. Step 2: Convert to fraction form
    272,305.11/408,501.41 = 114,578.67/x
  3. Step 3: Cross multiply
    272,305.11x = 408,501.41 × 114,578.67
  4. Step 4: Simplify right side
    272,305.11x = 46,805,547,678.03
  5. Step 5: Solve for x
    x = 46,805,547,678.03/272,305.11
  6. Step 6: Final answer
    x = 171,886.41

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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.