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Finding the Fourth Proportional to 93,596, 129,162.24 and 51,154.84

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Solution

The fourth proportional to 93,596, 129,162.24 and 51,154.84 is: 70,593.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,596 : 129,162.24 = 51,154.84 : x
  2. Step 2: Convert to fraction form
    93,596/129,162.24 = 51,154.84/x
  3. Step 3: Cross multiply
    93,596x = 129,162.24 × 51,154.84
  4. Step 4: Simplify right side
    93,596x = 6,607,273,721.24
  5. Step 5: Solve for x
    x = 6,607,273,721.24/93,596
  6. Step 6: Final answer
    x = 70,593.55

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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.