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Finding the Fourth Proportional to 93,866.64, 129,534.86 and 50,845.32

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Solution

The fourth proportional to 93,866.64, 129,534.86 and 50,845.32 is: 70,165.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,866.64 : 129,534.86 = 50,845.32 : x
  2. Step 2: Convert to fraction form
    93,866.64/129,534.86 = 50,845.32/x
  3. Step 3: Cross multiply
    93,866.64x = 129,534.86 × 50,845.32
  4. Step 4: Simplify right side
    93,866.64x = 6,586,241,407.86
  5. Step 5: Solve for x
    x = 6,586,241,407.86/93,866.64
  6. Step 6: Final answer
    x = 70,165.94

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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.