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Finding the Fourth Proportional to 93,763.94, 129,394.38 and 51,325.16

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Solution

The fourth proportional to 93,763.94, 129,394.38 and 51,325.16 is: 70,828.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,763.94 : 129,394.38 = 51,325.16 : x
  2. Step 2: Convert to fraction form
    93,763.94/129,394.38 = 51,325.16/x
  3. Step 3: Cross multiply
    93,763.94x = 129,394.38 × 51,325.16
  4. Step 4: Simplify right side
    93,763.94x = 6,641,187,256.60
  5. Step 5: Solve for x
    x = 6,641,187,256.60/93,763.94
  6. Step 6: Final answer
    x = 70,828.80

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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.