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Finding the Fourth Proportional to 93,379.72, 128,863.56 and 50,937.88

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Solution

The fourth proportional to 93,379.72, 128,863.56 and 50,937.88 is: 70,294.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,379.72 : 128,863.56 = 50,937.88 : x
  2. Step 2: Convert to fraction form
    93,379.72/128,863.56 = 50,937.88/x
  3. Step 3: Cross multiply
    93,379.72x = 128,863.56 × 50,937.88
  4. Step 4: Simplify right side
    93,379.72x = 6,564,036,555.65
  5. Step 5: Solve for x
    x = 6,564,036,555.65/93,379.72
  6. Step 6: Final answer
    x = 70,294.03

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1.5x scale

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.