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Finding the Fourth Proportional to 110,006.80, 164,815.80 and 103,008.40

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Solution

The fourth proportional to 110,006.80, 164,815.80 and 103,008.40 is: 154,330.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,006.80 : 164,815.80 = 103,008.40 : x
  2. Step 2: Convert to fraction form
    110,006.80/164,815.80 = 103,008.40/x
  3. Step 3: Cross multiply
    110,006.80x = 164,815.80 × 103,008.40
  4. Step 4: Simplify right side
    110,006.80x = 16,977,411,852.72
  5. Step 5: Solve for x
    x = 16,977,411,852.72/110,006.80
  6. Step 6: Final answer
    x = 154,330.57

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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.