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Finding the Fourth Proportional to 100,460.12, 150,695.95 and 36,432.20

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Solution

The fourth proportional to 100,460.12, 150,695.95 and 36,432.20 is: 54,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,460.12 : 150,695.95 = 36,432.20 : x
  2. Step 2: Convert to fraction form
    100,460.12/150,695.95 = 36,432.20/x
  3. Step 3: Cross multiply
    100,460.12x = 150,695.95 × 36,432.20
  4. Step 4: Simplify right side
    100,460.12x = 5,490,185,714.09
  5. Step 5: Solve for x
    x = 5,490,185,714.09/100,460.12
  6. Step 6: Final answer
    x = 54,650.40

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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.