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Finding the Fourth Proportional to 133,980.81, 184,886.56 and 79,535.24

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Solution

The fourth proportional to 133,980.81, 184,886.56 and 79,535.24 is: 109,754.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,980.81 : 184,886.56 = 79,535.24 : x
  2. Step 2: Convert to fraction form
    133,980.81/184,886.56 = 79,535.24/x
  3. Step 3: Cross multiply
    133,980.81x = 184,886.56 × 79,535.24
  4. Step 4: Simplify right side
    133,980.81x = 14,704,996,343.30
  5. Step 5: Solve for x
    x = 14,704,996,343.30/133,980.81
  6. Step 6: Final answer
    x = 109,754.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.