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Finding the Fourth Proportional to 114,784.84, 158,400.48 and 66,383.11

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Solution

The fourth proportional to 114,784.84, 158,400.48 and 66,383.11 is: 91,607.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,784.84 : 158,400.48 = 66,383.11 : x
  2. Step 2: Convert to fraction form
    114,784.84/158,400.48 = 66,383.11/x
  3. Step 3: Cross multiply
    114,784.84x = 158,400.48 × 66,383.11
  4. Step 4: Simplify right side
    114,784.84x = 10,515,116,487.89
  5. Step 5: Solve for x
    x = 10,515,116,487.89/114,784.84
  6. Step 6: Final answer
    x = 91,607.19

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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.