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Finding the Fourth Proportional to 93,527.97, 140,162.64 and 81,016.98

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Solution

The fourth proportional to 93,527.97, 140,162.64 and 81,016.98 is: 121,413.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,527.97 : 140,162.64 = 81,016.98 : x
  2. Step 2: Convert to fraction form
    93,527.97/140,162.64 = 81,016.98/x
  3. Step 3: Cross multiply
    93,527.97x = 140,162.64 × 81,016.98
  4. Step 4: Simplify right side
    93,527.97x = 11,355,553,801.63
  5. Step 5: Solve for x
    x = 11,355,553,801.63/93,527.97
  6. Step 6: Final answer
    x = 121,413.45

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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.