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Finding the Fourth Proportional to 106,443.72, 159,665.58 and 36,323.03

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Solution

The fourth proportional to 106,443.72, 159,665.58 and 36,323.03 is: 54,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,443.72 : 159,665.58 = 36,323.03 : x
  2. Step 2: Convert to fraction form
    106,443.72/159,665.58 = 36,323.03/x
  3. Step 3: Cross multiply
    106,443.72x = 159,665.58 × 36,323.03
  4. Step 4: Simplify right side
    106,443.72x = 5,799,538,051.47
  5. Step 5: Solve for x
    x = 5,799,538,051.47/106,443.72
  6. Step 6: Final answer
    x = 54,484.55

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1.5x scale

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.