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Finding the Fourth Proportional to 93,491.70, 129,013.56 and 51,041.94

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Solution

The fourth proportional to 93,491.70, 129,013.56 and 51,041.94 is: 70,435.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,491.70 : 129,013.56 = 51,041.94 : x
  2. Step 2: Convert to fraction form
    93,491.70/129,013.56 = 51,041.94/x
  3. Step 3: Cross multiply
    93,491.70x = 129,013.56 × 51,041.94
  4. Step 4: Simplify right side
    93,491.70x = 6,585,102,388.71
  5. Step 5: Solve for x
    x = 6,585,102,388.71/93,491.70
  6. Step 6: Final answer
    x = 70,435.16

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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.