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Finding the Fourth Proportional to 134,041.26, 201,108.01 and 84,062.84

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Solution

The fourth proportional to 134,041.26, 201,108.01 and 84,062.84 is: 126,123.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,041.26 : 201,108.01 = 84,062.84 : x
  2. Step 2: Convert to fraction form
    134,041.26/201,108.01 = 84,062.84/x
  3. Step 3: Cross multiply
    134,041.26x = 201,108.01 × 84,062.84
  4. Step 4: Simplify right side
    134,041.26x = 16,905,710,467.35
  5. Step 5: Solve for x
    x = 16,905,710,467.35/134,041.26
  6. Step 6: Final answer
    x = 126,123.18

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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.