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Finding the Fourth Proportional to 188,500.04, 282,770.66 and 81,810.66

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Solution

The fourth proportional to 188,500.04, 282,770.66 and 81,810.66 is: 122,724.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,500.04 : 282,770.66 = 81,810.66 : x
  2. Step 2: Convert to fraction form
    188,500.04/282,770.66 = 81,810.66/x
  3. Step 3: Cross multiply
    188,500.04x = 282,770.66 × 81,810.66
  4. Step 4: Simplify right side
    188,500.04x = 23,133,654,527.76
  5. Step 5: Solve for x
    x = 23,133,654,527.76/188,500.04
  6. Step 6: Final answer
    x = 122,724.93

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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.