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Finding the Fourth Proportional to 191,214.39, 287,959.88 and 166,552.32

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Solution

The fourth proportional to 191,214.39, 287,959.88 and 166,552.32 is: 250,819.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,214.39 : 287,959.88 = 166,552.32 : x
  2. Step 2: Convert to fraction form
    191,214.39/287,959.88 = 166,552.32/x
  3. Step 3: Cross multiply
    191,214.39x = 287,959.88 × 166,552.32
  4. Step 4: Simplify right side
    191,214.39x = 47,960,386,080.92
  5. Step 5: Solve for x
    x = 47,960,386,080.92/191,214.39
  6. Step 6: Final answer
    x = 250,819.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.