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Finding the Fourth Proportional to 464,080.30, 696,121.00 and 127,123.86

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Solution

The fourth proportional to 464,080.30, 696,121.00 and 127,123.86 is: 190,685.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,080.30 : 696,121.00 = 127,123.86 : x
  2. Step 2: Convert to fraction form
    464,080.30/696,121.00 = 127,123.86/x
  3. Step 3: Cross multiply
    464,080.30x = 696,121.00 × 127,123.86
  4. Step 4: Simplify right side
    464,080.30x = 88,493,584,430.84
  5. Step 5: Solve for x
    x = 88,493,584,430.84/464,080.30
  6. Step 6: Final answer
    x = 190,685.93

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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.