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Finding the Fourth Proportional to 93,299.52, 128,651.70 and 63,032.28

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Solution

The fourth proportional to 93,299.52, 128,651.70 and 63,032.28 is: 86,915.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,299.52 : 128,651.70 = 63,032.28 : x
  2. Step 2: Convert to fraction form
    93,299.52/128,651.70 = 63,032.28/x
  3. Step 3: Cross multiply
    93,299.52x = 128,651.70 × 63,032.28
  4. Step 4: Simplify right side
    93,299.52x = 8,109,209,976.88
  5. Step 5: Solve for x
    x = 8,109,209,976.88/93,299.52
  6. Step 6: Final answer
    x = 86,915.88

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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.