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Finding the Fourth Proportional to 217,007.60, 325,511.40 and 92,332.40

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Solution

The fourth proportional to 217,007.60, 325,511.40 and 92,332.40 is: 138,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,007.60 : 325,511.40 = 92,332.40 : x
  2. Step 2: Convert to fraction form
    217,007.60/325,511.40 = 92,332.40/x
  3. Step 3: Cross multiply
    217,007.60x = 325,511.40 × 92,332.40
  4. Step 4: Simplify right side
    217,007.60x = 30,055,248,789.36
  5. Step 5: Solve for x
    x = 30,055,248,789.36/217,007.60
  6. Step 6: Final answer
    x = 138,498.60

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1.5x scale

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.