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Finding the Fourth Proportional to 181,466.64, 250,423.95 and 101,978.64

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Solution

The fourth proportional to 181,466.64, 250,423.95 and 101,978.64 is: 140,730.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,466.64 : 250,423.95 = 101,978.64 : x
  2. Step 2: Convert to fraction form
    181,466.64/250,423.95 = 101,978.64/x
  3. Step 3: Cross multiply
    181,466.64x = 250,423.95 × 101,978.64
  4. Step 4: Simplify right side
    181,466.64x = 25,537,893,844.43
  5. Step 5: Solve for x
    x = 25,537,893,844.43/181,466.64
  6. Step 6: Final answer
    x = 140,730.52

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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.