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Finding the Fourth Proportional to 93,305.80, 139,842.06 and 73,506.16

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Solution

The fourth proportional to 93,305.80, 139,842.06 and 73,506.16 is: 110,167.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,305.80 : 139,842.06 = 73,506.16 : x
  2. Step 2: Convert to fraction form
    93,305.80/139,842.06 = 73,506.16/x
  3. Step 3: Cross multiply
    93,305.80x = 139,842.06 × 73,506.16
  4. Step 4: Simplify right side
    93,305.80x = 10,279,252,837.09
  5. Step 5: Solve for x
    x = 10,279,252,837.09/93,305.80
  6. Step 6: Final answer
    x = 110,167.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.