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Finding the Fourth Proportional to 163,737.82, 245,592.66 and 99,679.33

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Solution

The fourth proportional to 163,737.82, 245,592.66 and 99,679.33 is: 149,510.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,737.82 : 245,592.66 = 99,679.33 : x
  2. Step 2: Convert to fraction form
    163,737.82/245,592.66 = 99,679.33/x
  3. Step 3: Cross multiply
    163,737.82x = 245,592.66 × 99,679.33
  4. Step 4: Simplify right side
    163,737.82x = 24,480,512,779.09
  5. Step 5: Solve for x
    x = 24,480,512,779.09/163,737.82
  6. Step 6: Final answer
    x = 149,510.44

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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.