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Finding the Fourth Proportional to 90,957.89, 136,458.68 and 34,797.08

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Solution

The fourth proportional to 90,957.89, 136,458.68 and 34,797.08 is: 52,203.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,957.89 : 136,458.68 = 34,797.08 : x
  2. Step 2: Convert to fraction form
    90,957.89/136,458.68 = 34,797.08/x
  3. Step 3: Cross multiply
    90,957.89x = 136,458.68 × 34,797.08
  4. Step 4: Simplify right side
    90,957.89x = 4,748,362,748.38
  5. Step 5: Solve for x
    x = 4,748,362,748.38/90,957.89
  6. Step 6: Final answer
    x = 52,203.97

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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.