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Finding the Fourth Proportional to 135,497.69, 203,209.27 and 56,598.83

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Solution

The fourth proportional to 135,497.69, 203,209.27 and 56,598.83 is: 84,882.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,497.69 : 203,209.27 = 56,598.83 : x
  2. Step 2: Convert to fraction form
    135,497.69/203,209.27 = 56,598.83/x
  3. Step 3: Cross multiply
    135,497.69x = 203,209.27 × 56,598.83
  4. Step 4: Simplify right side
    135,497.69x = 11,501,405,769.61
  5. Step 5: Solve for x
    x = 11,501,405,769.61/135,497.69
  6. Step 6: Final answer
    x = 84,882.67

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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.