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Finding the Fourth Proportional to 62,473.20, 93,709.80 and 18,101.40

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Solution

The fourth proportional to 62,473.20, 93,709.80 and 18,101.40 is: 27,152.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,473.20 : 93,709.80 = 18,101.40 : x
  2. Step 2: Convert to fraction form
    62,473.20/93,709.80 = 18,101.40/x
  3. Step 3: Cross multiply
    62,473.20x = 93,709.80 × 18,101.40
  4. Step 4: Simplify right side
    62,473.20x = 1,696,278,573.72
  5. Step 5: Solve for x
    x = 1,696,278,573.72/62,473.20
  6. Step 6: Final answer
    x = 27,152.10

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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.