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Finding the Fourth Proportional to 93,400.88, 139,914.16 and 88,494.96

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Solution

The fourth proportional to 93,400.88, 139,914.16 and 88,494.96 is: 132,565.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,400.88 : 139,914.16 = 88,494.96 : x
  2. Step 2: Convert to fraction form
    93,400.88/139,914.16 = 88,494.96/x
  3. Step 3: Cross multiply
    93,400.88x = 139,914.16 × 88,494.96
  4. Step 4: Simplify right side
    93,400.88x = 12,381,697,992.63
  5. Step 5: Solve for x
    x = 12,381,697,992.63/93,400.88
  6. Step 6: Final answer
    x = 132,565.11

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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.