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Finding the Fourth Proportional to 110,672.71, 152,735.55 and 62,930.50

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Solution

The fourth proportional to 110,672.71, 152,735.55 and 62,930.50 is: 86,848.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,672.71 : 152,735.55 = 62,930.50 : x
  2. Step 2: Convert to fraction form
    110,672.71/152,735.55 = 62,930.50/x
  3. Step 3: Cross multiply
    110,672.71x = 152,735.55 × 62,930.50
  4. Step 4: Simplify right side
    110,672.71x = 9,611,724,529.28
  5. Step 5: Solve for x
    x = 9,611,724,529.28/110,672.71
  6. Step 6: Final answer
    x = 86,848.19

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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.