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Finding the Fourth Proportional to 464,100.90, 696,151.95 and 127,144.51

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Solution

The fourth proportional to 464,100.90, 696,151.95 and 127,144.51 is: 190,716.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,100.90 : 696,151.95 = 127,144.51 : x
  2. Step 2: Convert to fraction form
    464,100.90/696,151.95 = 127,144.51/x
  3. Step 3: Cross multiply
    464,100.90x = 696,151.95 × 127,144.51
  4. Step 4: Simplify right side
    464,100.90x = 88,511,898,174.90
  5. Step 5: Solve for x
    x = 88,511,898,174.90/464,100.90
  6. Step 6: Final answer
    x = 190,716.93

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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.