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Finding the Fourth Proportional to 136,373.66, 203,842.48 and 118,462.40

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Solution

The fourth proportional to 136,373.66, 203,842.48 and 118,462.40 is: 177,069.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,373.66 : 203,842.48 = 118,462.40 : x
  2. Step 2: Convert to fraction form
    136,373.66/203,842.48 = 118,462.40/x
  3. Step 3: Cross multiply
    136,373.66x = 203,842.48 × 118,462.40
  4. Step 4: Simplify right side
    136,373.66x = 24,147,669,402.75
  5. Step 5: Solve for x
    x = 24,147,669,402.75/136,373.66
  6. Step 6: Final answer
    x = 177,069.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.