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Finding the Fourth Proportional to 93,267.63, 128,709.14 and 50,826.06

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Solution

The fourth proportional to 93,267.63, 128,709.14 and 50,826.06 is: 70,139.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,267.63 : 128,709.14 = 50,826.06 : x
  2. Step 2: Convert to fraction form
    93,267.63/128,709.14 = 50,826.06/x
  3. Step 3: Cross multiply
    93,267.63x = 128,709.14 × 50,826.06
  4. Step 4: Simplify right side
    93,267.63x = 6,541,778,218.06
  5. Step 5: Solve for x
    x = 6,541,778,218.06/93,267.63
  6. Step 6: Final answer
    x = 70,139.86

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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.