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Finding the Fourth Proportional to 93,114.25, 139,698.92 and 53,699.65

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Solution

The fourth proportional to 93,114.25, 139,698.92 and 53,699.65 is: 80,565.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,114.25 : 139,698.92 = 53,699.65 : x
  2. Step 2: Convert to fraction form
    93,114.25/139,698.92 = 53,699.65/x
  3. Step 3: Cross multiply
    93,114.25x = 139,698.92 × 53,699.65
  4. Step 4: Simplify right side
    93,114.25x = 7,501,783,109.38
  5. Step 5: Solve for x
    x = 7,501,783,109.38/93,114.25
  6. Step 6: Final answer
    x = 80,565.36

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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.