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Finding the Fourth Proportional to 103,041.78, 154,573.14 and 35,565.03

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Solution

The fourth proportional to 103,041.78, 154,573.14 and 35,565.03 is: 53,351.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,041.78 : 154,573.14 = 35,565.03 : x
  2. Step 2: Convert to fraction form
    103,041.78/154,573.14 = 35,565.03/x
  3. Step 3: Cross multiply
    103,041.78x = 154,573.14 × 35,565.03
  4. Step 4: Simplify right side
    103,041.78x = 5,497,398,361.29
  5. Step 5: Solve for x
    x = 5,497,398,361.29/103,041.78
  6. Step 6: Final answer
    x = 53,351.16

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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.