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Finding the Fourth Proportional to 95,929.84, 143,994.56 and 70,657.90

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Solution

The fourth proportional to 95,929.84, 143,994.56 and 70,657.90 is: 106,060.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,929.84 : 143,994.56 = 70,657.90 : x
  2. Step 2: Convert to fraction form
    95,929.84/143,994.56 = 70,657.90/x
  3. Step 3: Cross multiply
    95,929.84x = 143,994.56 × 70,657.90
  4. Step 4: Simplify right side
    95,929.84x = 10,174,353,221.02
  5. Step 5: Solve for x
    x = 10,174,353,221.02/95,929.84
  6. Step 6: Final answer
    x = 106,060.36

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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.