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Finding the Fourth Proportional to 355,081.17, 532,623.20 and 88,840.95

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Solution

The fourth proportional to 355,081.17, 532,623.20 and 88,840.95 is: 133,261.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,081.17 : 532,623.20 = 88,840.95 : x
  2. Step 2: Convert to fraction form
    355,081.17/532,623.20 = 88,840.95/x
  3. Step 3: Cross multiply
    355,081.17x = 532,623.20 × 88,840.95
  4. Step 4: Simplify right side
    355,081.17x = 47,318,751,634.50
  5. Step 5: Solve for x
    x = 47,318,751,634.50/355,081.17
  6. Step 6: Final answer
    x = 133,261.79

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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.