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Finding the Fourth Proportional to 146,823, 202,615.98 and 79,755

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Solution

The fourth proportional to 146,823, 202,615.98 and 79,755 is: 110,062.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,823 : 202,615.98 = 79,755 : x
  2. Step 2: Convert to fraction form
    146,823/202,615.98 = 79,755/x
  3. Step 3: Cross multiply
    146,823x = 202,615.98 × 79,755
  4. Step 4: Simplify right side
    146,823x = 16,159,637,484.90
  5. Step 5: Solve for x
    x = 16,159,637,484.90/146,823
  6. Step 6: Final answer
    x = 110,062.03

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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.