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Finding the Fourth Proportional to 312,664.39, 469,024.27 and 88,026.77

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Solution

The fourth proportional to 312,664.39, 469,024.27 and 88,026.77 is: 132,047.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,664.39 : 469,024.27 = 88,026.77 : x
  2. Step 2: Convert to fraction form
    312,664.39/469,024.27 = 88,026.77/x
  3. Step 3: Cross multiply
    312,664.39x = 469,024.27 × 88,026.77
  4. Step 4: Simplify right side
    312,664.39x = 41,286,692,492.20
  5. Step 5: Solve for x
    x = 41,286,692,492.20/312,664.39
  6. Step 6: Final answer
    x = 132,047.95

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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.