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Finding the Fourth Proportional to 93,893.76, 140,971.68 and 89,606.88

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Solution

The fourth proportional to 93,893.76, 140,971.68 and 89,606.88 is: 134,535.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,893.76 : 140,971.68 = 89,606.88 : x
  2. Step 2: Convert to fraction form
    93,893.76/140,971.68 = 89,606.88/x
  3. Step 3: Cross multiply
    93,893.76x = 140,971.68 × 89,606.88
  4. Step 4: Simplify right side
    93,893.76x = 12,632,032,413.16
  5. Step 5: Solve for x
    x = 12,632,032,413.16/93,893.76
  6. Step 6: Final answer
    x = 134,535.38

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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.