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Finding the Fourth Proportional to 201,303.80, 277,861.06 and 129,683.56

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Solution

The fourth proportional to 201,303.80, 277,861.06 and 129,683.56 is: 179,003.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,303.80 : 277,861.06 = 129,683.56 : x
  2. Step 2: Convert to fraction form
    201,303.80/277,861.06 = 129,683.56/x
  3. Step 3: Cross multiply
    201,303.80x = 277,861.06 × 129,683.56
  4. Step 4: Simplify right side
    201,303.80x = 36,034,011,446.17
  5. Step 5: Solve for x
    x = 36,034,011,446.17/201,303.80
  6. Step 6: Final answer
    x = 179,003.14

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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.