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Finding the Fourth Proportional to 110,354.20, 165,599.70 and 57,801.40

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Solution

The fourth proportional to 110,354.20, 165,599.70 and 57,801.40 is: 86,737.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,354.20 : 165,599.70 = 57,801.40 : x
  2. Step 2: Convert to fraction form
    110,354.20/165,599.70 = 57,801.40/x
  3. Step 3: Cross multiply
    110,354.20x = 165,599.70 × 57,801.40
  4. Step 4: Simplify right side
    110,354.20x = 9,571,894,499.58
  5. Step 5: Solve for x
    x = 9,571,894,499.58/110,354.20
  6. Step 6: Final answer
    x = 86,737.93

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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.