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Finding the Fourth Proportional to 132,925.60, 199,096.80 and 70,523.20

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Solution

The fourth proportional to 132,925.60, 199,096.80 and 70,523.20 is: 105,630.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,925.60 : 199,096.80 = 70,523.20 : x
  2. Step 2: Convert to fraction form
    132,925.60/199,096.80 = 70,523.20/x
  3. Step 3: Cross multiply
    132,925.60x = 199,096.80 × 70,523.20
  4. Step 4: Simplify right side
    132,925.60x = 14,040,943,445.76
  5. Step 5: Solve for x
    x = 14,040,943,445.76/132,925.60
  6. Step 6: Final answer
    x = 105,630.09

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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.