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Finding the Fourth Proportional to 355,107.07, 532,774.06 and 127,248.84

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Solution

The fourth proportional to 355,107.07, 532,774.06 and 127,248.84 is: 190,913.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,107.07 : 532,774.06 = 127,248.84 : x
  2. Step 2: Convert to fraction form
    355,107.07/532,774.06 = 127,248.84/x
  3. Step 3: Cross multiply
    355,107.07x = 532,774.06 × 127,248.84
  4. Step 4: Simplify right side
    355,107.07x = 67,794,880,798.97
  5. Step 5: Solve for x
    x = 67,794,880,798.97/355,107.07
  6. Step 6: Final answer
    x = 190,913.91

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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.