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Finding the Fourth Proportional to 93,913.62, 129,600.54 and 50,894.31

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Solution

The fourth proportional to 93,913.62, 129,600.54 and 50,894.31 is: 70,234.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,913.62 : 129,600.54 = 50,894.31 : x
  2. Step 2: Convert to fraction form
    93,913.62/129,600.54 = 50,894.31/x
  3. Step 3: Cross multiply
    93,913.62x = 129,600.54 × 50,894.31
  4. Step 4: Simplify right side
    93,913.62x = 6,595,930,058.93
  5. Step 5: Solve for x
    x = 6,595,930,058.93/93,913.62
  6. Step 6: Final answer
    x = 70,234.01

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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.