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Finding the Fourth Proportional to 178,980.80, 268,452.72 and 60,649.07

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Solution

The fourth proportional to 178,980.80, 268,452.72 and 60,649.07 is: 90,967.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,980.80 : 268,452.72 = 60,649.07 : x
  2. Step 2: Convert to fraction form
    178,980.80/268,452.72 = 60,649.07/x
  3. Step 3: Cross multiply
    178,980.80x = 268,452.72 × 60,649.07
  4. Step 4: Simplify right side
    178,980.80x = 16,281,406,464.71
  5. Step 5: Solve for x
    x = 16,281,406,464.71/178,980.80
  6. Step 6: Final answer
    x = 90,967.34

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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.