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Finding the Fourth Proportional to 94,493.40, 141,740.10 and 84,816.60

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Solution

The fourth proportional to 94,493.40, 141,740.10 and 84,816.60 is: 127,224.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,493.40 : 141,740.10 = 84,816.60 : x
  2. Step 2: Convert to fraction form
    94,493.40/141,740.10 = 84,816.60/x
  3. Step 3: Cross multiply
    94,493.40x = 141,740.10 × 84,816.60
  4. Step 4: Simplify right side
    94,493.40x = 12,021,913,365.66
  5. Step 5: Solve for x
    x = 12,021,913,365.66/94,493.40
  6. Step 6: Final answer
    x = 127,224.90

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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.