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Finding the Fourth Proportional to 191,954.60, 264,829.38 and 128,332.52

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Solution

The fourth proportional to 191,954.60, 264,829.38 and 128,332.52 is: 177,053.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,954.60 : 264,829.38 = 128,332.52 : x
  2. Step 2: Convert to fraction form
    191,954.60/264,829.38 = 128,332.52/x
  3. Step 3: Cross multiply
    191,954.60x = 264,829.38 × 128,332.52
  4. Step 4: Simplify right side
    191,954.60x = 33,986,221,705.44
  5. Step 5: Solve for x
    x = 33,986,221,705.44/191,954.60
  6. Step 6: Final answer
    x = 177,053.44

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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.