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Finding the Fourth Proportional to 132,573.79, 198,817.48 and 43,810.75

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Solution

The fourth proportional to 132,573.79, 198,817.48 and 43,810.75 is: 65,701.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,573.79 : 198,817.48 = 43,810.75 : x
  2. Step 2: Convert to fraction form
    132,573.79/198,817.48 = 43,810.75/x
  3. Step 3: Cross multiply
    132,573.79x = 198,817.48 × 43,810.75
  4. Step 4: Simplify right side
    132,573.79x = 8,710,341,698.77
  5. Step 5: Solve for x
    x = 8,710,341,698.77/132,573.79
  6. Step 6: Final answer
    x = 65,701.84

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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.