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Finding the Fourth Proportional to 159,114.08, 238,837.08 and 70,429.88

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Solution

The fourth proportional to 159,114.08, 238,837.08 and 70,429.88 is: 105,718.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,114.08 : 238,837.08 = 70,429.88 : x
  2. Step 2: Convert to fraction form
    159,114.08/238,837.08 = 70,429.88/x
  3. Step 3: Cross multiply
    159,114.08x = 238,837.08 × 70,429.88
  4. Step 4: Simplify right side
    159,114.08x = 16,821,266,883.95
  5. Step 5: Solve for x
    x = 16,821,266,883.95/159,114.08
  6. Step 6: Final answer
    x = 105,718.28

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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.