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Finding the Fourth Proportional to 62,290.60, 93,435.90 and 51,355.60

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Solution

The fourth proportional to 62,290.60, 93,435.90 and 51,355.60 is: 77,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,290.60 : 93,435.90 = 51,355.60 : x
  2. Step 2: Convert to fraction form
    62,290.60/93,435.90 = 51,355.60/x
  3. Step 3: Cross multiply
    62,290.60x = 93,435.90 × 51,355.60
  4. Step 4: Simplify right side
    62,290.60x = 4,798,456,706.04
  5. Step 5: Solve for x
    x = 4,798,456,706.04/62,290.60
  6. Step 6: Final answer
    x = 77,033.40

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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.