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Finding the Fourth Proportional to 114,239.53, 171,359.25 and 29,999.53

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Solution

The fourth proportional to 114,239.53, 171,359.25 and 29,999.53 is: 44,999.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,239.53 : 171,359.25 = 29,999.53 : x
  2. Step 2: Convert to fraction form
    114,239.53/171,359.25 = 29,999.53/x
  3. Step 3: Cross multiply
    114,239.53x = 171,359.25 × 29,999.53
  4. Step 4: Simplify right side
    114,239.53x = 5,140,696,961.15
  5. Step 5: Solve for x
    x = 5,140,696,961.15/114,239.53
  6. Step 6: Final answer
    x = 44,999.28

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1.5x scale

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.