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Finding the Fourth Proportional to 174,078.95, 261,235.11 and 63,270.95

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Solution

The fourth proportional to 174,078.95, 261,235.11 and 63,270.95 is: 94,948.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,078.95 : 261,235.11 = 63,270.95 : x
  2. Step 2: Convert to fraction form
    174,078.95/261,235.11 = 63,270.95/x
  3. Step 3: Cross multiply
    174,078.95x = 261,235.11 × 63,270.95
  4. Step 4: Simplify right side
    174,078.95x = 16,528,592,276.88
  5. Step 5: Solve for x
    x = 16,528,592,276.88/174,078.95
  6. Step 6: Final answer
    x = 94,948.83

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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.