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Finding the Fourth Proportional to 93,296.28, 128,748.88 and 50,854.82

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Solution

The fourth proportional to 93,296.28, 128,748.88 and 50,854.82 is: 70,179.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,296.28 : 128,748.88 = 50,854.82 : x
  2. Step 2: Convert to fraction form
    93,296.28/128,748.88 = 50,854.82/x
  3. Step 3: Cross multiply
    93,296.28x = 128,748.88 × 50,854.82
  4. Step 4: Simplify right side
    93,296.28x = 6,547,500,251.37
  5. Step 5: Solve for x
    x = 6,547,500,251.37/93,296.28
  6. Step 6: Final answer
    x = 70,179.65

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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.