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Finding the Fourth Proportional to 114,180.48, 157,516.48 and 73,907.20

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Solution

The fourth proportional to 114,180.48, 157,516.48 and 73,907.20 is: 101,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,180.48 : 157,516.48 = 73,907.20 : x
  2. Step 2: Convert to fraction form
    114,180.48/157,516.48 = 73,907.20/x
  3. Step 3: Cross multiply
    114,180.48x = 157,516.48 × 73,907.20
  4. Step 4: Simplify right side
    114,180.48x = 11,641,601,990.66
  5. Step 5: Solve for x
    x = 11,641,601,990.66/114,180.48
  6. Step 6: Final answer
    x = 101,957.90

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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.