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Finding the Fourth Proportional to 202,511.79, 279,256.93 and 173,926.10

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Solution

The fourth proportional to 202,511.79, 279,256.93 and 173,926.10 is: 239,838.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,511.79 : 279,256.93 = 173,926.10 : x
  2. Step 2: Convert to fraction form
    202,511.79/279,256.93 = 173,926.10/x
  3. Step 3: Cross multiply
    202,511.79x = 279,256.93 × 173,926.10
  4. Step 4: Simplify right side
    202,511.79x = 48,570,068,996.20
  5. Step 5: Solve for x
    x = 48,570,068,996.20/202,511.79
  6. Step 6: Final answer
    x = 239,838.23

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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.