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Finding the Fourth Proportional to 93,887.68, 140,843.20 and 30,714.24

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Solution

The fourth proportional to 93,887.68, 140,843.20 and 30,714.24 is: 46,075.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,887.68 : 140,843.20 = 30,714.24 : x
  2. Step 2: Convert to fraction form
    93,887.68/140,843.20 = 30,714.24/x
  3. Step 3: Cross multiply
    93,887.68x = 140,843.20 × 30,714.24
  4. Step 4: Simplify right side
    93,887.68x = 4,325,891,847.17
  5. Step 5: Solve for x
    x = 4,325,891,847.17/93,887.68
  6. Step 6: Final answer
    x = 46,075.18

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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.