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Finding the Fourth Proportional to 93,246.58, 128,681.22 and 50,805.82

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Solution

The fourth proportional to 93,246.58, 128,681.22 and 50,805.82 is: 70,112.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,246.58 : 128,681.22 = 50,805.82 : x
  2. Step 2: Convert to fraction form
    93,246.58/128,681.22 = 50,805.82/x
  3. Step 3: Cross multiply
    93,246.58x = 128,681.22 × 50,805.82
  4. Step 4: Simplify right side
    93,246.58x = 6,537,754,900.70
  5. Step 5: Solve for x
    x = 6,537,754,900.70/93,246.58
  6. Step 6: Final answer
    x = 70,112.54

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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.