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Finding the Fourth Proportional to 238,901.02, 358,573.07 and 120,655.33

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Solution

The fourth proportional to 238,901.02, 358,573.07 and 120,655.33 is: 181,094.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,901.02 : 358,573.07 = 120,655.33 : x
  2. Step 2: Convert to fraction form
    238,901.02/358,573.07 = 120,655.33/x
  3. Step 3: Cross multiply
    238,901.02x = 358,573.07 × 120,655.33
  4. Step 4: Simplify right side
    238,901.02x = 43,263,752,089.96
  5. Step 5: Solve for x
    x = 43,263,752,089.96/238,901.02
  6. Step 6: Final answer
    x = 181,094.88

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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.