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Finding the Fourth Proportional to 93,624, 129,201.10 and 51,182.52

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Solution

The fourth proportional to 93,624, 129,201.10 and 51,182.52 is: 70,631.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,624 : 129,201.10 = 51,182.52 : x
  2. Step 2: Convert to fraction form
    93,624/129,201.10 = 51,182.52/x
  3. Step 3: Cross multiply
    93,624x = 129,201.10 × 51,182.52
  4. Step 4: Simplify right side
    93,624x = 6,612,837,884.77
  5. Step 5: Solve for x
    x = 6,612,837,884.77/93,624
  6. Step 6: Final answer
    x = 70,631.87

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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.