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Finding the Fourth Proportional to 181,702.70, 250,535.16 and 124,369.64

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Solution

The fourth proportional to 181,702.70, 250,535.16 and 124,369.64 is: 171,483.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,702.70 : 250,535.16 = 124,369.64 : x
  2. Step 2: Convert to fraction form
    181,702.70/250,535.16 = 124,369.64/x
  3. Step 3: Cross multiply
    181,702.70x = 250,535.16 × 124,369.64
  4. Step 4: Simplify right side
    181,702.70x = 31,158,967,656.54
  5. Step 5: Solve for x
    x = 31,158,967,656.54/181,702.70
  6. Step 6: Final answer
    x = 171,483.24

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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.