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Finding the Fourth Proportional to 114,840.37, 158,443.14 and 69,503.86

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Solution

The fourth proportional to 114,840.37, 158,443.14 and 69,503.86 is: 95,893.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,840.37 : 158,443.14 = 69,503.86 : x
  2. Step 2: Convert to fraction form
    114,840.37/158,443.14 = 69,503.86/x
  3. Step 3: Cross multiply
    114,840.37x = 158,443.14 × 69,503.86
  4. Step 4: Simplify right side
    114,840.37x = 11,012,409,820.52
  5. Step 5: Solve for x
    x = 11,012,409,820.52/114,840.37
  6. Step 6: Final answer
    x = 95,893.19

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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.