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Finding the Fourth Proportional to 103,256.88, 154,870.68 and 33,127.08

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Solution

The fourth proportional to 103,256.88, 154,870.68 and 33,127.08 is: 49,685.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,256.88 : 154,870.68 = 33,127.08 : x
  2. Step 2: Convert to fraction form
    103,256.88/154,870.68 = 33,127.08/x
  3. Step 3: Cross multiply
    103,256.88x = 154,870.68 × 33,127.08
  4. Step 4: Simplify right side
    103,256.88x = 5,130,413,406.01
  5. Step 5: Solve for x
    x = 5,130,413,406.01/103,256.88
  6. Step 6: Final answer
    x = 49,685.92

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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.