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Finding the Fourth Proportional to 96,798.83, 133,582.70 and 55,959.71

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Solution

The fourth proportional to 96,798.83, 133,582.70 and 55,959.71 is: 77,224.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,798.83 : 133,582.70 = 55,959.71 : x
  2. Step 2: Convert to fraction form
    96,798.83/133,582.70 = 55,959.71/x
  3. Step 3: Cross multiply
    96,798.83x = 133,582.70 × 55,959.71
  4. Step 4: Simplify right side
    96,798.83x = 7,475,248,625.00
  5. Step 5: Solve for x
    x = 7,475,248,625.00/96,798.83
  6. Step 6: Final answer
    x = 77,224.58

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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.