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Finding the Fourth Proportional to 93,767.94, 129,399.90 and 51,329.16

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Solution

The fourth proportional to 93,767.94, 129,399.90 and 51,329.16 is: 70,834.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,767.94 : 129,399.90 = 51,329.16 : x
  2. Step 2: Convert to fraction form
    93,767.94/129,399.90 = 51,329.16/x
  3. Step 3: Cross multiply
    93,767.94x = 129,399.90 × 51,329.16
  4. Step 4: Simplify right side
    93,767.94x = 6,641,988,171.08
  5. Step 5: Solve for x
    x = 6,641,988,171.08/93,767.94
  6. Step 6: Final answer
    x = 70,834.32

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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.