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Finding the Fourth Proportional to 119,172.88, 178,756.57 and 59,992.66

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Solution

The fourth proportional to 119,172.88, 178,756.57 and 59,992.66 is: 89,987.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,172.88 : 178,756.57 = 59,992.66 : x
  2. Step 2: Convert to fraction form
    119,172.88/178,756.57 = 59,992.66/x
  3. Step 3: Cross multiply
    119,172.88x = 178,756.57 × 59,992.66
  4. Step 4: Simplify right side
    119,172.88x = 10,724,082,126.78
  5. Step 5: Solve for x
    x = 10,724,082,126.78/119,172.88
  6. Step 6: Final answer
    x = 89,987.61

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1.5x scale

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.