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Finding the Fourth Proportional to 93,080.52, 128,447.34 and 50,639.22

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Solution

The fourth proportional to 93,080.52, 128,447.34 and 50,639.22 is: 69,880.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,080.52 : 128,447.34 = 50,639.22 : x
  2. Step 2: Convert to fraction form
    93,080.52/128,447.34 = 50,639.22/x
  3. Step 3: Cross multiply
    93,080.52x = 128,447.34 × 50,639.22
  4. Step 4: Simplify right side
    93,080.52x = 6,504,473,108.67
  5. Step 5: Solve for x
    x = 6,504,473,108.67/93,080.52
  6. Step 6: Final answer
    x = 69,880.07

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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.