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Finding the Fourth Proportional to 96,216.51, 132,785.29 and 55,930.15

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Solution

The fourth proportional to 96,216.51, 132,785.29 and 55,930.15 is: 77,187.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,216.51 : 132,785.29 = 55,930.15 : x
  2. Step 2: Convert to fraction form
    96,216.51/132,785.29 = 55,930.15/x
  3. Step 3: Cross multiply
    96,216.51x = 132,785.29 × 55,930.15
  4. Step 4: Simplify right side
    96,216.51x = 7,426,701,187.49
  5. Step 5: Solve for x
    x = 7,426,701,187.49/96,216.51
  6. Step 6: Final answer
    x = 77,187.39

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1.5x scale

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.