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Finding the Fourth Proportional to 102,002.60, 152,712.30 and 62,636.60

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Solution

The fourth proportional to 102,002.60, 152,712.30 and 62,636.60 is: 93,775.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,002.60 : 152,712.30 = 62,636.60 : x
  2. Step 2: Convert to fraction form
    102,002.60/152,712.30 = 62,636.60/x
  3. Step 3: Cross multiply
    102,002.60x = 152,712.30 × 62,636.60
  4. Step 4: Simplify right side
    102,002.60x = 9,565,379,250.18
  5. Step 5: Solve for x
    x = 9,565,379,250.18/102,002.60
  6. Step 6: Final answer
    x = 93,775.84

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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.