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Finding the Fourth Proportional to 86,244.62, 119,019.89 and 47,483.63

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Solution

The fourth proportional to 86,244.62, 119,019.89 and 47,483.63 is: 65,528.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,244.62 : 119,019.89 = 47,483.63 : x
  2. Step 2: Convert to fraction form
    86,244.62/119,019.89 = 47,483.63/x
  3. Step 3: Cross multiply
    86,244.62x = 119,019.89 × 47,483.63
  4. Step 4: Simplify right side
    86,244.62x = 5,651,495,824.30
  5. Step 5: Solve for x
    x = 5,651,495,824.30/86,244.62
  6. Step 6: Final answer
    x = 65,528.68

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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.