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Finding the Fourth Proportional to 172,875.60, 259,312.95 and 48,216.60

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Solution

The fourth proportional to 172,875.60, 259,312.95 and 48,216.60 is: 72,324.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,875.60 : 259,312.95 = 48,216.60 : x
  2. Step 2: Convert to fraction form
    172,875.60/259,312.95 = 48,216.60/x
  3. Step 3: Cross multiply
    172,875.60x = 259,312.95 × 48,216.60
  4. Step 4: Simplify right side
    172,875.60x = 12,503,188,784.97
  5. Step 5: Solve for x
    x = 12,503,188,784.97/172,875.60
  6. Step 6: Final answer
    x = 72,324.77

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1.5x scale

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.