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Finding the Fourth Proportional to 102,003.60, 152,713.80 and 62,637.60

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Solution

The fourth proportional to 102,003.60, 152,713.80 and 62,637.60 is: 93,777.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,003.60 : 152,713.80 = 62,637.60 : x
  2. Step 2: Convert to fraction form
    102,003.60/152,713.80 = 62,637.60/x
  3. Step 3: Cross multiply
    102,003.60x = 152,713.80 × 62,637.60
  4. Step 4: Simplify right side
    102,003.60x = 9,565,625,918.88
  5. Step 5: Solve for x
    x = 9,565,625,918.88/102,003.60
  6. Step 6: Final answer
    x = 93,777.34

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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.