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Finding the Fourth Proportional to 464,090.99, 696,137.07 and 127,134.61

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Solution

The fourth proportional to 464,090.99, 696,137.07 and 127,134.61 is: 190,702.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,090.99 : 696,137.07 = 127,134.61 : x
  2. Step 2: Convert to fraction form
    464,090.99/696,137.07 = 127,134.61/x
  3. Step 3: Cross multiply
    464,090.99x = 696,137.07 × 127,134.61
  4. Step 4: Simplify right side
    464,090.99x = 88,503,114,900.99
  5. Step 5: Solve for x
    x = 88,503,114,900.99/464,090.99
  6. Step 6: Final answer
    x = 190,702.08

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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.