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Finding the Fourth Proportional to 134,101.80, 200,715.30 and 107,566.20

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Solution

The fourth proportional to 134,101.80, 200,715.30 and 107,566.20 is: 160,998.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,101.80 : 200,715.30 = 107,566.20 : x
  2. Step 2: Convert to fraction form
    134,101.80/200,715.30 = 107,566.20/x
  3. Step 3: Cross multiply
    134,101.80x = 200,715.30 × 107,566.20
  4. Step 4: Simplify right side
    134,101.80x = 21,590,182,102.86
  5. Step 5: Solve for x
    x = 21,590,182,102.86/134,101.80
  6. Step 6: Final answer
    x = 160,998.45

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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.