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Finding the Fourth Proportional to 62,164.40, 93,244.92 and 15,416.72

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Solution

The fourth proportional to 62,164.40, 93,244.92 and 15,416.72 is: 23,124.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,164.40 : 93,244.92 = 15,416.72 : x
  2. Step 2: Convert to fraction form
    62,164.40/93,244.92 = 15,416.72/x
  3. Step 3: Cross multiply
    62,164.40x = 93,244.92 × 15,416.72
  4. Step 4: Simplify right side
    62,164.40x = 1,437,530,823.06
  5. Step 5: Solve for x
    x = 1,437,530,823.06/62,164.40
  6. Step 6: Final answer
    x = 23,124.66

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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.