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Finding the Fourth Proportional to 199,281.46, 275,006.61 and 109,857.46

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Solution

The fourth proportional to 199,281.46, 275,006.61 and 109,857.46 is: 151,602.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,281.46 : 275,006.61 = 109,857.46 : x
  2. Step 2: Convert to fraction form
    199,281.46/275,006.61 = 109,857.46/x
  3. Step 3: Cross multiply
    199,281.46x = 275,006.61 × 109,857.46
  4. Step 4: Simplify right side
    199,281.46x = 30,211,527,657.81
  5. Step 5: Solve for x
    x = 30,211,527,657.81/199,281.46
  6. Step 6: Final answer
    x = 151,602.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.