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Finding the Fourth Proportional to 93,847.01, 129,507.86 and 50,825.80

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Solution

The fourth proportional to 93,847.01, 129,507.86 and 50,825.80 is: 70,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,847.01 : 129,507.86 = 50,825.80 : x
  2. Step 2: Convert to fraction form
    93,847.01/129,507.86 = 50,825.80/x
  3. Step 3: Cross multiply
    93,847.01x = 129,507.86 × 50,825.80
  4. Step 4: Simplify right side
    93,847.01x = 6,582,339,689.12
  5. Step 5: Solve for x
    x = 6,582,339,689.12/93,847.01
  6. Step 6: Final answer
    x = 70,139.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.