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Finding the Fourth Proportional to 104,732.40, 156,925.80 and 52,028.40

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Solution

The fourth proportional to 104,732.40, 156,925.80 and 52,028.40 is: 77,956.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,732.40 : 156,925.80 = 52,028.40 : x
  2. Step 2: Convert to fraction form
    104,732.40/156,925.80 = 52,028.40/x
  3. Step 3: Cross multiply
    104,732.40x = 156,925.80 × 52,028.40
  4. Step 4: Simplify right side
    104,732.40x = 8,164,598,292.72
  5. Step 5: Solve for x
    x = 8,164,598,292.72/104,732.40
  6. Step 6: Final answer
    x = 77,956.76

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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.