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Finding the Fourth Proportional to 172,729.99, 238,427.04 and 101,133.01

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Solution

The fourth proportional to 172,729.99, 238,427.04 and 101,133.01 is: 139,598.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,729.99 : 238,427.04 = 101,133.01 : x
  2. Step 2: Convert to fraction form
    172,729.99/238,427.04 = 101,133.01/x
  3. Step 3: Cross multiply
    172,729.99x = 238,427.04 × 101,133.01
  4. Step 4: Simplify right side
    172,729.99x = 24,112,844,220.59
  5. Step 5: Solve for x
    x = 24,112,844,220.59/172,729.99
  6. Step 6: Final answer
    x = 139,598.48

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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.