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Finding the Fourth Proportional to 200,526.84, 276,726.96 and 111,102.84

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Solution

The fourth proportional to 200,526.84, 276,726.96 and 111,102.84 is: 153,321.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,526.84 : 276,726.96 = 111,102.84 : x
  2. Step 2: Convert to fraction form
    200,526.84/276,726.96 = 111,102.84/x
  3. Step 3: Cross multiply
    200,526.84x = 276,726.96 × 111,102.84
  4. Step 4: Simplify right side
    200,526.84x = 30,745,151,160.57
  5. Step 5: Solve for x
    x = 30,745,151,160.57/200,526.84
  6. Step 6: Final answer
    x = 153,321.88

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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.