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Finding the Fourth Proportional to 95,804.64, 132,210.45 and 55,541.79

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Solution

The fourth proportional to 95,804.64, 132,210.45 and 55,541.79 is: 76,647.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,804.64 : 132,210.45 = 55,541.79 : x
  2. Step 2: Convert to fraction form
    95,804.64/132,210.45 = 55,541.79/x
  3. Step 3: Cross multiply
    95,804.64x = 132,210.45 × 55,541.79
  4. Step 4: Simplify right side
    95,804.64x = 7,343,205,049.71
  5. Step 5: Solve for x
    x = 7,343,205,049.71/95,804.64
  6. Step 6: Final answer
    x = 76,647.70

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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.