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Finding the Fourth Proportional to 104,731.90, 156,925.05 and 52,027.90

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Solution

The fourth proportional to 104,731.90, 156,925.05 and 52,027.90 is: 77,956.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,731.90 : 156,925.05 = 52,027.90 : x
  2. Step 2: Convert to fraction form
    104,731.90/156,925.05 = 52,027.90/x
  3. Step 3: Cross multiply
    104,731.90x = 156,925.05 × 52,027.90
  4. Step 4: Simplify right side
    104,731.90x = 8,164,480,808.90
  5. Step 5: Solve for x
    x = 8,164,480,808.90/104,731.90
  6. Step 6: Final answer
    x = 77,956.01

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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.