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Finding the Fourth Proportional to 93,608.00, 129,158.69 and 55,369.65

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Solution

The fourth proportional to 93,608.00, 129,158.69 and 55,369.65 is: 76,398.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,608.00 : 129,158.69 = 55,369.65 : x
  2. Step 2: Convert to fraction form
    93,608.00/129,158.69 = 55,369.65/x
  3. Step 3: Cross multiply
    93,608.00x = 129,158.69 × 55,369.65
  4. Step 4: Simplify right side
    93,608.00x = 7,151,471,182.91
  5. Step 5: Solve for x
    x = 7,151,471,182.91/93,608.00
  6. Step 6: Final answer
    x = 76,398.08

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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.