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Finding the Fourth Proportional to 146,675.83, 202,412.78 and 79,607.83

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Solution

The fourth proportional to 146,675.83, 202,412.78 and 79,607.83 is: 109,858.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,675.83 : 202,412.78 = 79,607.83 : x
  2. Step 2: Convert to fraction form
    146,675.83/202,412.78 = 79,607.83/x
  3. Step 3: Cross multiply
    146,675.83x = 202,412.78 × 79,607.83
  4. Step 4: Simplify right side
    146,675.83x = 16,113,642,180.07
  5. Step 5: Solve for x
    x = 16,113,642,180.07/146,675.83
  6. Step 6: Final answer
    x = 109,858.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.