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Finding the Fourth Proportional to 118,699.95, 178,067.52 and 34,460.81

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Solution

The fourth proportional to 118,699.95, 178,067.52 and 34,460.81 is: 51,696.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,699.95 : 178,067.52 = 34,460.81 : x
  2. Step 2: Convert to fraction form
    118,699.95/178,067.52 = 34,460.81/x
  3. Step 3: Cross multiply
    118,699.95x = 178,067.52 × 34,460.81
  4. Step 4: Simplify right side
    118,699.95x = 6,136,350,083.55
  5. Step 5: Solve for x
    x = 6,136,350,083.55/118,699.95
  6. Step 6: Final answer
    x = 51,696.32

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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.