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Finding the Fourth Proportional to 273,882.60, 410,823.90 and 86,894.10

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Solution

The fourth proportional to 273,882.60, 410,823.90 and 86,894.10 is: 130,341.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,882.60 : 410,823.90 = 86,894.10 : x
  2. Step 2: Convert to fraction form
    273,882.60/410,823.90 = 86,894.10/x
  3. Step 3: Cross multiply
    273,882.60x = 410,823.90 × 86,894.10
  4. Step 4: Simplify right side
    273,882.60x = 35,698,173,048.99
  5. Step 5: Solve for x
    x = 35,698,173,048.99/273,882.60
  6. Step 6: Final answer
    x = 130,341.15

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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.