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Finding the Fourth Proportional to 93,157.80, 139,717.10 and 29,983.57

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Solution

The fourth proportional to 93,157.80, 139,717.10 and 29,983.57 is: 44,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,157.80 : 139,717.10 = 29,983.57 : x
  2. Step 2: Convert to fraction form
    93,157.80/139,717.10 = 29,983.57/x
  3. Step 3: Cross multiply
    93,157.80x = 139,717.10 × 29,983.57
  4. Step 4: Simplify right side
    93,157.80x = 4,189,217,173.71
  5. Step 5: Solve for x
    x = 4,189,217,173.71/93,157.80
  6. Step 6: Final answer
    x = 44,969.05

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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.