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Finding the Fourth Proportional to 93,401.48, 128,894.46 and 50,960.90

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Solution

The fourth proportional to 93,401.48, 128,894.46 and 50,960.90 is: 70,326.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,401.48 : 128,894.46 = 50,960.90 : x
  2. Step 2: Convert to fraction form
    93,401.48/128,894.46 = 50,960.90/x
  3. Step 3: Cross multiply
    93,401.48x = 128,894.46 × 50,960.90
  4. Step 4: Simplify right side
    93,401.48x = 6,568,577,686.61
  5. Step 5: Solve for x
    x = 6,568,577,686.61/93,401.48
  6. Step 6: Final answer
    x = 70,326.27

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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.