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Finding the Fourth Proportional to 114,315.93, 157,764.29 and 69,004.93

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Solution

The fourth proportional to 114,315.93, 157,764.29 and 69,004.93 is: 95,231.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,315.93 : 157,764.29 = 69,004.93 : x
  2. Step 2: Convert to fraction form
    114,315.93/157,764.29 = 69,004.93/x
  3. Step 3: Cross multiply
    114,315.93x = 157,764.29 × 69,004.93
  4. Step 4: Simplify right side
    114,315.93x = 10,886,513,787.95
  5. Step 5: Solve for x
    x = 10,886,513,787.95/114,315.93
  6. Step 6: Final answer
    x = 95,231.82

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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.