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Finding the Fourth Proportional to 93,354.26, 128,827.58 and 50,912.78

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Solution

The fourth proportional to 93,354.26, 128,827.58 and 50,912.78 is: 70,258.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,354.26 : 128,827.58 = 50,912.78 : x
  2. Step 2: Convert to fraction form
    93,354.26/128,827.58 = 50,912.78/x
  3. Step 3: Cross multiply
    93,354.26x = 128,827.58 × 50,912.78
  4. Step 4: Simplify right side
    93,354.26x = 6,558,970,238.47
  5. Step 5: Solve for x
    x = 6,558,970,238.47/93,354.26
  6. Step 6: Final answer
    x = 70,258.93

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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.