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Finding the Fourth Proportional to 93,223.78, 128,644.36 and 52,932.24

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Solution

The fourth proportional to 93,223.78, 128,644.36 and 52,932.24 is: 73,043.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,223.78 : 128,644.36 = 52,932.24 : x
  2. Step 2: Convert to fraction form
    93,223.78/128,644.36 = 52,932.24/x
  3. Step 3: Cross multiply
    93,223.78x = 128,644.36 × 52,932.24
  4. Step 4: Simplify right side
    93,223.78x = 6,809,434,005.84
  5. Step 5: Solve for x
    x = 6,809,434,005.84/93,223.78
  6. Step 6: Final answer
    x = 73,043.96

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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.