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Finding the Fourth Proportional to 371,451.49, 557,177.85 and 118,752.36

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Solution

The fourth proportional to 371,451.49, 557,177.85 and 118,752.36 is: 178,128.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,451.49 : 557,177.85 = 118,752.36 : x
  2. Step 2: Convert to fraction form
    371,451.49/557,177.85 = 118,752.36/x
  3. Step 3: Cross multiply
    371,451.49x = 557,177.85 × 118,752.36
  4. Step 4: Simplify right side
    371,451.49x = 66,166,184,627.23
  5. Step 5: Solve for x
    x = 66,166,184,627.23/371,451.49
  6. Step 6: Final answer
    x = 178,128.74

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.