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Finding the Fourth Proportional to 62,419.80, 93,435.30 and 60,475.80

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Solution

The fourth proportional to 62,419.80, 93,435.30 and 60,475.80 is: 90,525.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,419.80 : 93,435.30 = 60,475.80 : x
  2. Step 2: Convert to fraction form
    62,419.80/93,435.30 = 60,475.80/x
  3. Step 3: Cross multiply
    62,419.80x = 93,435.30 × 60,475.80
  4. Step 4: Simplify right side
    62,419.80x = 5,650,574,515.74
  5. Step 5: Solve for x
    x = 5,650,574,515.74/62,419.80
  6. Step 6: Final answer
    x = 90,525.35

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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.