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Finding the Fourth Proportional to 86,465.88, 119,324.74 and 48,740.12

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Solution

The fourth proportional to 86,465.88, 119,324.74 and 48,740.12 is: 67,262.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,465.88 : 119,324.74 = 48,740.12 : x
  2. Step 2: Convert to fraction form
    86,465.88/119,324.74 = 48,740.12/x
  3. Step 3: Cross multiply
    86,465.88x = 119,324.74 × 48,740.12
  4. Step 4: Simplify right side
    86,465.88x = 5,815,902,146.57
  5. Step 5: Solve for x
    x = 5,815,902,146.57/86,465.88
  6. Step 6: Final answer
    x = 67,262.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.