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Finding the Fourth Proportional to 279,036.29, 418,094.36 and 160,807.01

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Solution

The fourth proportional to 279,036.29, 418,094.36 and 160,807.01 is: 240,945.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,036.29 : 418,094.36 = 160,807.01 : x
  2. Step 2: Convert to fraction form
    279,036.29/418,094.36 = 160,807.01/x
  3. Step 3: Cross multiply
    279,036.29x = 418,094.36 × 160,807.01
  4. Step 4: Simplify right side
    279,036.29x = 67,232,503,125.43
  5. Step 5: Solve for x
    x = 67,232,503,125.43/279,036.29
  6. Step 6: Final answer
    x = 240,945.37

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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.