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Finding the Fourth Proportional to 114,230.78, 157,633.34 and 63,239.93

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Solution

The fourth proportional to 114,230.78, 157,633.34 and 63,239.93 is: 87,268.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,230.78 : 157,633.34 = 63,239.93 : x
  2. Step 2: Convert to fraction form
    114,230.78/157,633.34 = 63,239.93/x
  3. Step 3: Cross multiply
    114,230.78x = 157,633.34 × 63,239.93
  4. Step 4: Simplify right side
    114,230.78x = 9,968,720,282.90
  5. Step 5: Solve for x
    x = 9,968,720,282.90/114,230.78
  6. Step 6: Final answer
    x = 87,268.25

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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.