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Finding the Fourth Proportional to 64,374.95, 88,816.80 and 37,146.80

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Solution

The fourth proportional to 64,374.95, 88,816.80 and 37,146.80 is: 51,250.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,374.95 : 88,816.80 = 37,146.80 : x
  2. Step 2: Convert to fraction form
    64,374.95/88,816.80 = 37,146.80/x
  3. Step 3: Cross multiply
    64,374.95x = 88,816.80 × 37,146.80
  4. Step 4: Simplify right side
    64,374.95x = 3,299,260,267.58
  5. Step 5: Solve for x
    x = 3,299,260,267.58/64,374.95
  6. Step 6: Final answer
    x = 51,250.68

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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.