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Finding the Fourth Proportional to 371,751.12, 557,598 and 119,058.06

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Solution

The fourth proportional to 371,751.12, 557,598 and 119,058.06 is: 178,577.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,751.12 : 557,598 = 119,058.06 : x
  2. Step 2: Convert to fraction form
    371,751.12/557,598 = 119,058.06/x
  3. Step 3: Cross multiply
    371,751.12x = 557,598 × 119,058.06
  4. Step 4: Simplify right side
    371,751.12x = 66,386,536,139.88
  5. Step 5: Solve for x
    x = 66,386,536,139.88/371,751.12
  6. Step 6: Final answer
    x = 178,577.90

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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.