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Finding the Fourth Proportional to 93,195.82, 128,602.08 and 52,911.28

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Solution

The fourth proportional to 93,195.82, 128,602.08 and 52,911.28 is: 73,012.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,195.82 : 128,602.08 = 52,911.28 : x
  2. Step 2: Convert to fraction form
    93,195.82/128,602.08 = 52,911.28/x
  3. Step 3: Cross multiply
    93,195.82x = 128,602.08 × 52,911.28
  4. Step 4: Simplify right side
    93,195.82x = 6,804,500,663.46
  5. Step 5: Solve for x
    x = 6,804,500,663.46/93,195.82
  6. Step 6: Final answer
    x = 73,012.94

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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.