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Finding the Fourth Proportional to 88,809.88, 133,211.06 and 49,341.82

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Solution

The fourth proportional to 88,809.88, 133,211.06 and 49,341.82 is: 74,010.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,809.88 : 133,211.06 = 49,341.82 : x
  2. Step 2: Convert to fraction form
    88,809.88/133,211.06 = 49,341.82/x
  3. Step 3: Cross multiply
    88,809.88x = 133,211.06 × 49,341.82
  4. Step 4: Simplify right side
    88,809.88x = 6,572,876,144.53
  5. Step 5: Solve for x
    x = 6,572,876,144.53/88,809.88
  6. Step 6: Final answer
    x = 74,010.64

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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.