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Finding the Fourth Proportional to 469,130.92, 703,696.86 and 114,144.92

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Solution

The fourth proportional to 469,130.92, 703,696.86 and 114,144.92 is: 171,217.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,130.92 : 703,696.86 = 114,144.92 : x
  2. Step 2: Convert to fraction form
    469,130.92/703,696.86 = 114,144.92/x
  3. Step 3: Cross multiply
    469,130.92x = 703,696.86 × 114,144.92
  4. Step 4: Simplify right side
    469,130.92x = 80,323,421,788.95
  5. Step 5: Solve for x
    x = 80,323,421,788.95/469,130.92
  6. Step 6: Final answer
    x = 171,217.50

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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.