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Finding the Fourth Proportional to 134,641.90, 201,901.02 and 45,859.29

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Solution

The fourth proportional to 134,641.90, 201,901.02 and 45,859.29 is: 68,767.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,641.90 : 201,901.02 = 45,859.29 : x
  2. Step 2: Convert to fraction form
    134,641.90/201,901.02 = 45,859.29/x
  3. Step 3: Cross multiply
    134,641.90x = 201,901.02 × 45,859.29
  4. Step 4: Simplify right side
    134,641.90x = 9,259,037,427.48
  5. Step 5: Solve for x
    x = 9,259,037,427.48/134,641.90
  6. Step 6: Final answer
    x = 68,767.88

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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.