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Finding the Fourth Proportional to 173,856.60, 260,784.90 and 123,664.95

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Solution

The fourth proportional to 173,856.60, 260,784.90 and 123,664.95 is: 185,497.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,856.60 : 260,784.90 = 123,664.95 : x
  2. Step 2: Convert to fraction form
    173,856.60/260,784.90 = 123,664.95/x
  3. Step 3: Cross multiply
    173,856.60x = 260,784.90 × 123,664.95
  4. Step 4: Simplify right side
    173,856.60x = 32,249,951,619.26
  5. Step 5: Solve for x
    x = 32,249,951,619.26/173,856.60
  6. Step 6: Final answer
    x = 185,497.43

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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.