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Finding the Fourth Proportional to 183,959.28, 275,967.72 and 59,312.88

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Solution

The fourth proportional to 183,959.28, 275,967.72 and 59,312.88 is: 88,978.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,959.28 : 275,967.72 = 59,312.88 : x
  2. Step 2: Convert to fraction form
    183,959.28/275,967.72 = 59,312.88/x
  3. Step 3: Cross multiply
    183,959.28x = 275,967.72 × 59,312.88
  4. Step 4: Simplify right side
    183,959.28x = 16,368,440,260.23
  5. Step 5: Solve for x
    x = 16,368,440,260.23/183,959.28
  6. Step 6: Final answer
    x = 88,978.61

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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.