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Finding the Fourth Proportional to 93,180.62, 128,592.78 and 52,896.08

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Solution

The fourth proportional to 93,180.62, 128,592.78 and 52,896.08 is: 72,998.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,180.62 : 128,592.78 = 52,896.08 : x
  2. Step 2: Convert to fraction form
    93,180.62/128,592.78 = 52,896.08/x
  3. Step 3: Cross multiply
    93,180.62x = 128,592.78 × 52,896.08
  4. Step 4: Simplify right side
    93,180.62x = 6,802,053,978.30
  5. Step 5: Solve for x
    x = 6,802,053,978.30/93,180.62
  6. Step 6: Final answer
    x = 72,998.59

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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.