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Finding the Fourth Proportional to 165,906.90, 248,860.35 and 98,547.30

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Solution

The fourth proportional to 165,906.90, 248,860.35 and 98,547.30 is: 147,820.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,906.90 : 248,860.35 = 98,547.30 : x
  2. Step 2: Convert to fraction form
    165,906.90/248,860.35 = 98,547.30/x
  3. Step 3: Cross multiply
    165,906.90x = 248,860.35 × 98,547.30
  4. Step 4: Simplify right side
    165,906.90x = 24,524,515,569.56
  5. Step 5: Solve for x
    x = 24,524,515,569.56/165,906.90
  6. Step 6: Final answer
    x = 147,820.95

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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.