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Finding the Fourth Proportional to 199,274.69, 298,970.28 and 64,335.60

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Solution

The fourth proportional to 199,274.69, 298,970.28 and 64,335.60 is: 96,522.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,274.69 : 298,970.28 = 64,335.60 : x
  2. Step 2: Convert to fraction form
    199,274.69/298,970.28 = 64,335.60/x
  3. Step 3: Cross multiply
    199,274.69x = 298,970.28 × 64,335.60
  4. Step 4: Simplify right side
    199,274.69x = 19,234,432,345.97
  5. Step 5: Solve for x
    x = 19,234,432,345.97/199,274.69
  6. Step 6: Final answer
    x = 96,522.20

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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.