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Finding the Fourth Proportional to 116,390.16, 174,661.80 and 63,836.55

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Solution

The fourth proportional to 116,390.16, 174,661.80 and 63,836.55 is: 95,796.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,390.16 : 174,661.80 = 63,836.55 : x
  2. Step 2: Convert to fraction form
    116,390.16/174,661.80 = 63,836.55/x
  3. Step 3: Cross multiply
    116,390.16x = 174,661.80 × 63,836.55
  4. Step 4: Simplify right side
    116,390.16x = 11,149,806,728.79
  5. Step 5: Solve for x
    x = 11,149,806,728.79/116,390.16
  6. Step 6: Final answer
    x = 95,796.82

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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.