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Finding the Fourth Proportional to 136,551.76, 204,827.48 and 43,057.50

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Solution

The fourth proportional to 136,551.76, 204,827.48 and 43,057.50 is: 64,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,551.76 : 204,827.48 = 43,057.50 : x
  2. Step 2: Convert to fraction form
    136,551.76/204,827.48 = 43,057.50/x
  3. Step 3: Cross multiply
    136,551.76x = 204,827.48 × 43,057.50
  4. Step 4: Simplify right side
    136,551.76x = 8,819,359,220.10
  5. Step 5: Solve for x
    x = 8,819,359,220.10/136,551.76
  6. Step 6: Final answer
    x = 64,586.20

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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.