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Finding the Fourth Proportional to 159,265.33, 238,897.99 and 40,936.78

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Solution

The fourth proportional to 159,265.33, 238,897.99 and 40,936.78 is: 61,405.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,265.33 : 238,897.99 = 40,936.78 : x
  2. Step 2: Convert to fraction form
    159,265.33/238,897.99 = 40,936.78/x
  3. Step 3: Cross multiply
    159,265.33x = 238,897.99 × 40,936.78
  4. Step 4: Simplify right side
    159,265.33x = 9,779,714,459.07
  5. Step 5: Solve for x
    x = 9,779,714,459.07/159,265.33
  6. Step 6: Final answer
    x = 61,405.17

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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.