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Finding the Fourth Proportional to 199,778.04, 275,702.06 and 114,895.16

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Solution

The fourth proportional to 199,778.04, 275,702.06 and 114,895.16 is: 158,560.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,778.04 : 275,702.06 = 114,895.16 : x
  2. Step 2: Convert to fraction form
    199,778.04/275,702.06 = 114,895.16/x
  3. Step 3: Cross multiply
    199,778.04x = 275,702.06 × 114,895.16
  4. Step 4: Simplify right side
    199,778.04x = 31,676,832,296.03
  5. Step 5: Solve for x
    x = 31,676,832,296.03/199,778.04
  6. Step 6: Final answer
    x = 158,560.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.