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Finding the Fourth Proportional to 134,153.79, 185,133.11 and 73,729.41

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Solution

The fourth proportional to 134,153.79, 185,133.11 and 73,729.41 is: 101,747.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,153.79 : 185,133.11 = 73,729.41 : x
  2. Step 2: Convert to fraction form
    134,153.79/185,133.11 = 73,729.41/x
  3. Step 3: Cross multiply
    134,153.79x = 185,133.11 × 73,729.41
  4. Step 4: Simplify right side
    134,153.79x = 13,649,754,971.77
  5. Step 5: Solve for x
    x = 13,649,754,971.77/134,153.79
  6. Step 6: Final answer
    x = 101,747.07

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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.