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Finding the Fourth Proportional to 371,454.49, 557,182.35 and 118,755.36

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Solution

The fourth proportional to 371,454.49, 557,182.35 and 118,755.36 is: 178,133.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,454.49 : 557,182.35 = 118,755.36 : x
  2. Step 2: Convert to fraction form
    371,454.49/557,182.35 = 118,755.36/x
  3. Step 3: Cross multiply
    371,454.49x = 557,182.35 × 118,755.36
  4. Step 4: Simplify right side
    371,454.49x = 66,168,390,559.90
  5. Step 5: Solve for x
    x = 66,168,390,559.90/371,454.49
  6. Step 6: Final answer
    x = 178,133.24

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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.