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Finding the Fourth Proportional to 148,802.63, 205,348.10 and 88,375.82

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Solution

The fourth proportional to 148,802.63, 205,348.10 and 88,375.82 is: 121,958.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,802.63 : 205,348.10 = 88,375.82 : x
  2. Step 2: Convert to fraction form
    148,802.63/205,348.10 = 88,375.82/x
  3. Step 3: Cross multiply
    148,802.63x = 205,348.10 × 88,375.82
  4. Step 4: Simplify right side
    148,802.63x = 18,147,805,254.32
  5. Step 5: Solve for x
    x = 18,147,805,254.32/148,802.63
  6. Step 6: Final answer
    x = 121,958.91

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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.