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Finding the Fourth Proportional to 367,779.60, 551,669.28 and 118,461.60

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Solution

The fourth proportional to 367,779.60, 551,669.28 and 118,461.60 is: 177,692.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,779.60 : 551,669.28 = 118,461.60 : x
  2. Step 2: Convert to fraction form
    367,779.60/551,669.28 = 118,461.60/x
  3. Step 3: Cross multiply
    367,779.60x = 551,669.28 × 118,461.60
  4. Step 4: Simplify right side
    367,779.60x = 65,351,625,579.65
  5. Step 5: Solve for x
    x = 65,351,625,579.65/367,779.60
  6. Step 6: Final answer
    x = 177,692.36

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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.