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Finding the Fourth Proportional to 93,182.64, 128,592.26 and 50,743.90

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Solution

The fourth proportional to 93,182.64, 128,592.26 and 50,743.90 is: 70,026.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,182.64 : 128,592.26 = 50,743.90 : x
  2. Step 2: Convert to fraction form
    93,182.64/128,592.26 = 50,743.90/x
  3. Step 3: Cross multiply
    93,182.64x = 128,592.26 × 50,743.90
  4. Step 4: Simplify right side
    93,182.64x = 6,525,272,782.21
  5. Step 5: Solve for x
    x = 6,525,272,782.21/93,182.64
  6. Step 6: Final answer
    x = 70,026.70

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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.