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Finding the Fourth Proportional to 70,994.76, 106,565.85 and 52,295.82

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Solution

The fourth proportional to 70,994.76, 106,565.85 and 52,295.82 is: 78,498.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,994.76 : 106,565.85 = 52,295.82 : x
  2. Step 2: Convert to fraction form
    70,994.76/106,565.85 = 52,295.82/x
  3. Step 3: Cross multiply
    70,994.76x = 106,565.85 × 52,295.82
  4. Step 4: Simplify right side
    70,994.76x = 5,572,948,509.75
  5. Step 5: Solve for x
    x = 5,572,948,509.75/70,994.76
  6. Step 6: Final answer
    x = 78,498.03

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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.